Which of the following are possible?

A user is uploading attachments to activities in continuous performance management (CPM).

Which of the following are possible? Note: There are 2 correct answers to this question.
A . The user can upload a maximum of 5 attachments per activity.
B. The user can upload attachments to activities in both legacy and latest CPM versions.
C. The user can upload an attachment to their own activity or to an activity created on their behalf.
D. The user can only download an attachment they have previously uploaded.

Answer: A,C