Which of the following shows the comma(s) in the right position(s)?

Question

A. Juan, and Mason play well together.
B. Jimmy closed his eyes, and counted to twenty.
C. Jose, Juan, Mason, and Jimmy all went swimming.
D. The reason, that he is late, is that he got caught in heavy traffic.

Answer 1

C. although it is deemed not totally necessary after Mason these days.

Sra