Hearing the cat mewing,off().

问题描述:

Hearing the cat mewing,off().
a;fled all the mice
b;fleeing all the mice
c;away fled the mice
d;all the mice fled away

A,整句还原就是all the mice fled off (when) hearing the cat mewing
其实flee off用法满怪的.但是只有这个答案最贴切题目,所以