38. Rattlesnakes do most of their hunting at night. They do not locate their enemies by sight. They can tell justwhere the enemy is by the heat the enemy gives off. (哪些正確 ?)
(A) Rattlesnakes are very sensitive to body heat.
(B) Rattlesnakes have very keen eyesight.
(C) Rattlesnakes are more active by day.
(D) To locate is to tell where something is.
(E) Rattlesnakes are actually hard of hearing.