Malcolm Recently Sang on Stage for the First Time and Received

Malcolm recently sang on stage for the first time and received very loud applause.Now Malcolm is really looking forward to the next opportunity to sing in front of a crowd.This example demonstrates

A) the difference between drive reduction and arousal theories.
B) the difference between arousal theories and incentive theories.
C) the difference between primary and secondary incentives.
D) the difference between liking and wanting.