【一道关于定语从句的英语题Thesubwaywascrowdedwithpassengersgoinghomefrommarket,mostof________carryingheavybagsandbasketsfulloffruitandvegetablestheyhadboughtthere.A．whomB．themC．whoD．which我是觉得既然】

　　一道关于定语从句的英语题

　　Thesubwaywascrowdedwithpassengersgoinghomefrommarket,mostof________carryingheavybagsandbasketsfulloffruitandvegetablestheyhadboughtthere.

　　A．whomB．them

　　C．whoD．which

　　我是觉得既然用逗号分隔开了，而且不是which引导的定语从句，那么后半句就应该可以是一个完整的句子，选them的话为什么谓语动词用的是carrying呢？