Our Perception of Our Environment Is Imperfect for All of the Following

Our perception of our environment is imperfect for all of the following reasons,except that

A) humans lack receptors for every possible stimulus.
B) receptors respond in an all-or-nothing manner.
C) not all sensations lead to a perception.
D) abnormal receptor function can produce sensations that have no basis in fact.
E) our receptors have limited sensitivity.