Those---to hike in the mountain should watch out for dangers.A who B who want Cwhat wants D want

问题描述:

Those---to hike in the mountain should watch out for dangers.A who B who want Cwhat wants D want

C
Those 是个先行词,后面跟“who"引导的主语从句,后面跟to根据选项提示,谓语动词应该是”want"
who 为第三人称单数的人称代词,所以用wants