C and E. Client-side scripting is not supported by the print rendered, nor are browser plug-ins.
A2:
A and D. Margins can be set for the entire <cfdocument> as well at the <cfdocumentsection> level. B is not a valid tag, and C is incorrect because margins are not set using <cfdocumentitem>.
A3:
B and D. A (Excel) is supported by <cfreport> but not by <cfdocument>, C and E are not supported at this time.