Which sentence contains an error in the use of end marks or commas?

A.
Yes, ma'am, I know I was out of line.

B.
Walking along the river, we saw the crew team out practicing.

C.
We fixed the hole in the fence so the dog can't get out now.

D.
Mr. James Carrillo, Sr., will assume the responsibilities of principal.

@von.co

Question

Which sentence contains an error in the use of end marks or commas?	
 
 A.
Yes, ma'am, I know I was out of line.
 
 B.
Walking along the river, we saw the crew team out practicing.
 
 C.
We fixed the hole in the fence so the dog can't get out now.
 
 D.
Mr. James Carrillo, Sr., will assume the responsibilities of principal.

@von.co

anonymous · Answer

Lol, it's D. 
Hands down, you don't even have to think about it.