According to Clark Hull's Drive Theory of Motivation, Various Drives

According to Clark Hull's drive theory of motivation, various drives are produced:

A) when we value a goal and expect that certain behaviours will lead to its accomplishment.
B) when there is a physiological disruption of homeostasis.
C) when we are unaware of our intrinsic values.
D) by specific instincts that are common to both humans and animals.
E) when our growth needs are not being met.