How much one enjoys himself travelling depends largely on( )he goes with.A what B who

问题描述:

How much one enjoys himself travelling depends largely on( )he goes with.A what B who
选A还是选B?最好说说为什么.

从严格的语法角度将应该选Whom,这里只是用Who代替Whom,这句话的完整翻译是:
一个人在旅途中有多快乐很大程度上取决于他(她)和谁同行.