Your network contains 100 computers that run Windows XP. You need to identify which applications installed on all of the computers can run on Windows 7. You must achieve this goal by using the minimumamount of administrative effort. What should you install?（）

A. Microsoft Application Compatibility Toolkit （ACT）.
B. Microsoft Assessment and Planning （MAP） Toolkit.
C. Microsoft Deployment Toolkit （MDT）.
D. Windows Automated Installation Kit （AIK）.