是什么原因造成桌子之间的这个间隙？

Question

是什么原因造成这两个表之间的垂直间隙？

我正在将以下 .tex 文件输入到我的主文件中

假设以下为 A.tex

{\fontfamily{lmr}
 \fontsize{25pt}{20pt}
 \selectfont\begin{center}

\setlength{\extrarowheight}{0.5pt}   
\begin{table}[t]
    \begin{center}
        \begin{tabular}{|c|c|}
            \hline
            X &\multirow{2}{*}{X}\\
            X &\\
            \hline
            X &\multirow{2}{*}{--}\\
            X &\\
            \hline
            X &\multicolumn{1}{l|}{\underline{0 \hspace{0.01cm} X \hspace{0.16cm}}}\\
            
            X &\multicolumn{1}{l|}{
            \underline{1 \hspace{0.01cm} X \hspace{1.00cm}} \hspace{0.50cm}  
            \underline{2 \hspace{0.01cm} X\hspace{0.50cm}}}\\
            
            X  & \\
            X  & \\
            \hline
            
        \end{tabular}
    \end{center}
\end{table} 

\begin{table}[t]
    \begin{center}
        \begin{tabular}{|l|ll|}
            \hline
            \multicolumn{3}{|c|}{\multirow{2}{*}{X’s Profile}}\\
            \multicolumn{3}{|c|}{}\\
            \hline
            \multicolumn{2}{|c|}{\multirow{2}{*}{Name \hspace{1cm} X}} & \multirow{2}{*}{Date of Birth \hspace{1cm} X, X \hspace{0.9cm}}\\
            \multicolumn{2}{|c|}{}&\\
            \hline
            \multicolumn{2}{|l|}{\multirow{2}{*}{Nationality \hspace{1cm} X}}&\multirow{2}{*}{}\\
            \multicolumn{2}{|c|}{}&\\
            \hline
            \multicolumn{3}{|c|}{\multirow{2}{*}{Curriculum Vitae}}\\
            \multicolumn{3}{|c|}{}\\
            \hline
            \multicolumn{3}{|l|}{\multirow{2}{*}{Educational Background}}\\
            \multicolumn{3}{|c|}{}\\
            \hline
            From&\multicolumn{2}{l|}{\multirow{4}{*}{\makecell[l]{X \\ 
                      X, X\\
                      \textit{X}\\}}}\\
            
            \hspace{1cm} X &&\\
            To&&\\
            \hspace{1cm} X &&\\
            \hline
            
            
            From&\multicolumn{2}{l|}{\multirow{4}{*}{\makecell[l]{X \\
                      \textit{X}}}}\\
            \hspace{1cm} X &&\\
            To&&\\
            \hspace{1cm} X &&\\
            \hline
            
        \end{tabular}
    \end{center}
\end{table} 

\end{center}}

这是我的一些 main.tex 序言以及我如何输入 A.tex

\documentclass[12pt,twoside]{report}
\usepackage[utf8]{inputenc}
\usepackage{CJKutf8}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{subcaption}
\usepackage[a4paper,width=150mm,top=25mm,bottom=25mm,bindingoffset=6mm]{geometry}

\usepackage{arydshln}
\usepackage[T1]{fontenc}
\usepackage[export]{adjustbox}
\usepackage{subcaption}

\graphicspath{{./images/}}
\usepackage{fancyhdr, blindtext}
\pagestyle{fancy}

\fancyhead{}
\fancyhead[RE,LO]{\fontsize{10}{12} \selectfont \itshape Master's Thesis}
\fancyhead[LE,RO]{\fontsize{10}{12} \selectfont \itshape \nouppercase \rightmark}

\fancyfoot{}
\fancyfoot[CE,CO]{\fontsize{10}{12} \thepage}

\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0.4pt}
\usepackage[backend=biber, style = ieee, sort = none]{biblatex}
\addbibresource{references.bib}

\usepackage{enumitem} %control width of itemized text
\usepackage{amsmath} % Matrix equation
\usepackage{amssymb}
\usepackage{eucal}
\numberwithin{equation}{section} % for equation numbering
\usepackage{amssymb} %for check mark symbol
\usepackage[cleardoublepage=empty]{scrextend}
\usepackage[export]{adjustbox}

\usepackage{booktabs}
\usepackage{tabularx}
\usepackage{makecell}
\usepackage{multirow}
\usepackage{graphicx}
\usepackage[table,xcdraw]{xcolor}
\usepackage{wrapfig}

.
.
.
\begin{document}
.
.
\thispagestyle{empty}
\input{A}

.
.
\end{document}

我承认我从别人那里得到了这个模板，所以也许是其中一个序言导致了这个问题？任何帮助都值得感激，谢谢！