37. There are more than eight thousand types of birds in the world. Of these, the largest by far is a bird that lives inEthiopia. It is the North African ostrich. (哪些正確 ?)
(A) Many large birds are from Africa.
(B) The North African ostrich is much larger than any other birds.
(C) So far large birds have been on the decrease.
(D) Ethiopia is a country where large birds come from.
(E) There are fewer and fewer bird species on earth.