TestDisk 错误且无解决方案

Question

安装“testdisk”时出现错误。我该如何解决此问题？

 The following packages have unmet dependencies:
 testdisk : 
 Depends: libntfs-3g861 but it is not installable
 Depends: ntfs-3g but it is not installable

）

testdisk:
Installed: (none)
Candidate: 7.0-1
Version table:
 7.0-1 500
    500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
ntfs-3g:
  Installed: (none)
  Candidate: (none)
  Version table: