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