Which of the following is (are) TRUE about Fannie Mae and Freddie Mac?

I: Securities issued by these government sponsored enterprosed (GSEs) do not EXPLICITLY carry the full faith and backing of the US government.

II: Fannie Mae and Freddie Mack issue securities backed by a pool of commercial mortgage loans, called commercial mortgage-backed securities.

A. I only

B. II only

C. I and II

D. None