Can you create IAM security credentials for existing users?

Can you create IAM security credentials for existing users?

A.
Yes, existing users can have security credentials associated with their account.

B.
No, IAM requires that all users who have credentials set up are not existing users

C.
No, security credentials are created within GROUPS, and then users are associated to GROUPS at a later
time.

D.
Yes, but only IAM credentials, not ordinary security credentials.