Which Statement Best Describes the Situation If a Child Likes

Which statement best describes the situation 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.