Who is the _____ made mistakes?A.that B.what C.whom

问题描述:

Who is the _____ made mistakes?A.that B.what C.whom

选A,the后面差person什么的吧~

选C,

确实 感觉句子成分不完整 应该是
who is the person that made mistakes?
what 显然不对 whom是指代宾语的