多项选择题

A.Edit the Open Software Description (.osd) file for Office and declare the plug-in as a dependency.
B.Edit the Open Software Description (.osd) file for the plug-in and declare Office as a dependency.
C.Edit the Open Software Description (.osd) file for Office and set MANDATORY=FALSE in the CODEBASE element.
D.Edit the Open Software Description (.osd) file for the plug-in and set MANDATORY=FALSE in the CODEBASE element.