None of the subsites inherit the permissions of the parent site. You need to ensure that a specific user can administer all the intranet subsites. You must accomplish this goal by using the minimum amount of effort. What should you do?

A.  Assign the user the Full Control permission to the root site.

B.  Add the user to the Office 365 Service Support Admin role group.

C.  Add the user to the Owners group of the root site.

D.  Add the user to the Office 365 User Account Admin role group.

E.  Add the user to the Site Collection Administrators group.

F.  Add the user to the Office 365 Help Desk Admin role group.

Correct Answer: E