it is a good of you to be constantly thinking of helping me请翻译全句2)_______you have done might do harm to other peopleA)thatB)whatC)whichD)this请说明选择的原因,为什么不能选A或别的答案,并翻译全句

Question

it is a good of you to be constantly thinking of helping me
请翻译全句
2)_______you have done might do harm to other people
A)that
B)what
C)which
D)this
请说明选择的原因,为什么不能选A或别的答案,并翻译全句

Answer 1

选what啊,是考查名词性从句中的主语从句,从句是整个句中做主语,填的词在从句中做宾语,既可以引导主语从句又可以在从句中做宾语的只有what了.整个句子的意思是你所做的事情可能会对别人造成伤害.