【单选题】

It can be inferred from the passage that chimpanzees are characterized by
A．(A) brains that use less overall body energy than the percentage humans use

B．(B) the posession of less total body weight than the average human weight
C．(C) a total resting energy equal to that of human resting energy
D．(D) a diet completely devoid of rich foods preferred by more developed species
E．(E) a higher ratio of brain weight to body weight