well ,he isn't an elephant can step on a coconut shell,break it ____and not crush the insides

问题描述:

well ,he isn't an elephant can step on a coconut shell,break it ____and not crush the insides
A open B to open C opened D opening
为什么选A?
按一楼的说,那break后面可以加什么词

open在这里是形容词啊,表示结果的状态.Break+noun+形容词或动词的过去分词.