Which of the Following Is True If a Child Likes

Which of the following is true if a child likes both candy and money?

A) Both can be considered reinforcers, but only candy can be used as a reinforcer in a token economy.
B) Although both are rewarding, only candy can actually be considered a reinforcer.
C) Both can be considered reinforcers, but only candy is a primary reinforcer.
D) Both can be considered primary reinforcers.