You have a SharePoint Server 2010 server farm.

You need to prevent users from creating site collections.

What should you modify?

A.
the User Profile Service Application settings

B.
the service account for the My Sites Web application

C.
the Self-Service Site Collection Management settings

D.
the permissions of the content database that hosts My Sites

Explanation:
BURGOS MNEMO: "prevent users from creating" = "Self-Service"