Which Statement Demonstrates Operant Rather Than Classical Conditioning

Multiple Choice

Which statement demonstrates operant rather than classical conditioning?

A) A car salesperson receives a bonus for doing a good job at work. Afterwards, she continues to work hard at selling cars.
B) A toddler squeals and curls up in a ball when his mother moves her fingers as if she is going to tickle him.
C) A diner begins salivating as soon as he sees the waiter bringing dessert to the table.
D) Hearing the music of an ice cream truck causes children to get excited.