John Visited His Grandma's House with His Parents When He

John visited his grandma's house with his parents when he was a toddler, and spent the time playing by himself. Casey visited her grandma's house when she was a toddler, and got to pick out a longed-for puppy from a litter her grandma's dog had. Which of the children will most likely remember this event?

A) John, because he was with his parents
B) Casey, because she had emotional engagement in the visit
C) John, because the visit was to a familiar place
D) John and Casey will be equally likely to remember their visits