Which sentence does not contain any errors in comma usage?

A.
The writer writes mysteries and thrillers and then she publishes them under a false name.

B.
The sky looks bright today but, it is supposed to rain this afternoon.

C.
Several shoppers bought milk, and others bought bottled water.

D.
Todd watched the movie by himself, but, later on he went bowling with his friends.

Question

Which sentence does not contain any errors in comma usage?
 
 A.
The writer writes mysteries and thrillers and then she publishes them under a false name.
 
 B.
The sky looks bright today but, it is supposed to rain this afternoon.
 
 C.
Several shoppers bought milk, and others bought bottled water.
 
 D.
Todd watched the movie by himself, but, later on he went bowling with his friends.

anonymous · Answer

@King.Void.   please help