Children are __ to have some accidents as they grow up A bound B indispensable

问题描述:

Children are __ to have some accidents as they grow up A bound B indispensable
问一下为什么不选B

Children are __ to have some accidents as they grow up A bound B indispensable
选A
如果是B的话,应该是物作主语
即some accidents are indispensable to children.
【sb is bound to do sth】
某人注定要.
这个单词是人作主语的