问题
单项选择题
Elephants would () if men were allowed to shoot as many as they wished.
A. die down
B. die out
C. die away
D. die off
答案
参考答案：B
解析：
die down(慢慢)熄灭，平静下来；die out(家族、种族、习俗、观念等)灭绝， 绝迹；die away(声音、风、光线等)渐息，渐弱；die off一个一个地死去。