答案1
看看以下 MWE 是否能给出您想要获得的内容:
\documentclass[twoside,twocolumn]{article}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{stfloats} % for positioning of figure* on the same page
\usepackage{lipsum}
\begin{document}
\lipsum[1]
\begin{figure*}[b]
\begin{subfigure}{0.48\linewidth}
\includegraphics[width=\linewidth, height=0.5\linewidth]{example-image-a}
\caption{Figure A}
\label{fig:a}
\end{subfigure}
\hfill
\begin{subfigure}{0.48\linewidth}
\includegraphics[width=\linewidth, height=0.5\linewidth]{example-image-b}
\caption{Figure B}
\label{fig:b}
\end{subfigure}
\begin{subfigure}{0.48\linewidth}
\includegraphics[width=\linewidth, height=0.5\linewidth]{example-image-C}
\caption{Figure C}
\label{fig:c}
\end{subfigure}
\hfill
\begin{subfigure}{0.48\linewidth}
\includegraphics[width=\linewidth, height=0.5\linewidth]{example-image}
\caption{Figure D}
\label{fig:d}
\end{subfigure}
\caption{Common caption}
\lipsum[11]
\end{figure*}
\lipsum*[2-5]
\end{document}