Carly Used to Be Afraid of Visits to Her Family

Multiple Choice

Carly used to be afraid of visits to her family doctor because she associated the sight of his waiting room with the pain of having a blood sample drawn. Recently, Carly's doctor retired and a new doctor took over his office. Carly's new doctor uses a technique that is virtually painless and the sight of the waiting room is no longer associated with pain. Consequently, Carly finds her fear of visits to her family doctor has disappeared. Which classical conditioning process does this illustrate?

A) avoidance
B) spontaneous recovery
C) extinction
D) second-order conditioning