Which sentence uses abbreviations correctly?
A.
When I knew Don at UCLA, he wanted to work for the FBI.
B.
When I knew Don at UCLA, he wanted to work for the F.B.I.
C.
When I knew Don at UCLA, he wanted to work for the Federal Bureau of Investigation.
D.
When I knew Don at U.C.L.A, he wanted to work for the F.B.I.
