Which sentence uses periods correctly?

A.
A U.S. soldier marched down N. Maple Blvd. in the parade.

B.
A U.S. soldier marched down N Maple Blvd in the parade.

C.
A US soldier marched down N. Maple Blvd in the parade.

D.
A US soldier marched down N. Maple Blvd. in the parade.

Please help someone