Answer:
Even after his fear extinguished, the fear would come back
Explanation:
Spontaneous recovery is a term related to the association between learning and conditioning. Specifically, we can say that is is the reappearance of the response that has been vanished out. The recovery can occur after periods of no exposure to the conditional stimulus. It is also called a spontaneous because the response would reappear out of nowhere. It is also said that suddenly displaying behavior that was thought to be extinct. This can apply to the responses that have been formed through that of classical conditioning and ope-rant conditioning.