Which Infant Is Demonstrating Classical Conditioning

Multiple Choice

Which infant is demonstrating classical conditioning?

A) Yoshi, who was held with a stuffed bear while feeding and now starts salivating whenever he sees the bear
B) Talia, who increases the rate she sucks on her bottle when she hears her mother's voice
C) Billy, who continues to sleep while the vacuum cleaner is running
D) Sascha, who learned to blow a kiss after watching her sister do it