____with fear,a hungry fox hid himself in a small cave,___his tail to the rain.

问题描述:

____with fear,a hungry fox hid himself in a small cave,___his tail to the rain.
A.Trembling,exposing B.Trembled,exposed
选哪个?为什么?

A,狐狸和颤抖、隐藏都是主动关系