Which statement is true about the above commands?

Examine the commands executed in the following sequence:

Which statement is true about the above commands?

A.
The commands execute successfully.

B.
Command 6 produces an error because of circular role grant.

C.
Command 5 produces an error because a role cannot be granted to another role.

D.
Command 3 produces an error because the MGRROLE role already contains system
privileges. The table created by HR remains and HR still has the CREATE TABLE system
privilege.

E.
The table created by HR remains and HR can grant the CREATE TABLE system privilege to
other users.