Which sentence uses punctuation correctly?

A.
After he completes two more years in the military Harold plans to attend college for free.

B.
It has been over two years since my brother Harold left to join the military.

C.
While we wait for his return my mother and I are making a scrapbook of all the pictures he has sent.

Question

Which sentence uses punctuation correctly?	
 
 A.
After he completes two more years in the military Harold plans to attend college for free.
 
 B.
It has been over two years since my brother Harold left to join the military.
 
 C.
While we wait for his return my mother and I are making a scrapbook of all the pictures he has sent.

anonymous · Answer

Are there supposed to be commas?

anonymous · Answer

If there is, neither of these are correct.

anonymous · Answer

None of them look correct, but my guess is d.

anonymous · Answer

...There is no D

anonymous · Answer

I'm sorry I meant b lol

anonymous · Answer

Okay XD