Which sentence uses a comma correctly?
A. She wanted to be an astronaut, after finishing school.
B. Thank you for returning my call, Mary.
C. He would like to order the steak, and fries.
D. Jim grabbed a bottle of ketchup, to go with his fries.
A. She wanted to be an astronaut, after finishing school.
B. Thank you for returning my call, Mary.
C. He would like to order the steak, and fries.
D. Jim grabbed a bottle of ketchup, to go with his fries.