There is even an animal whose tail will so that it can run away if someone grabs it.A. br

问题补充：

There is even an animal whose tail will so that it can run away if someone grabs it.

A. break down

B. break up

C. break out

D. break off

答案：

A. break down

B. break up

C. break out

(答案→)D. break off

解析：短语辨析。break down 毁掉，发生故障；break up 打碎，结束； break out 爆发；break off折断，突然停止。句意：有一种动物，他的尾巴会突然折断，如果有人抓住它的尾巴，它会因此而逃掉。故选D。