Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Two close friends Tom and Kyle are talking about Kyle’s upcoming birthday.
 - Tom: “Can I bring a friend to your birthday party?”
 - Kyle: “______ The more the merrier.” 
A.How come?
B.Beat me!
C.Why not?
D.You bet!