叔叔阿姨帮帮忙,英语填空,说说理由Chinaisdevelopingaruralhealthcareservicesystem()Iamsuremostpeasantswillbenefit.A.ofwhichB.fromwhichC.inwhichD.aboutwhich希望高人说说选择答案的理由

Question

叔叔阿姨帮帮忙,英语填空,说说理由
China is developing a rural health care service system ( )I am
sure most peasants will benefit .
A.of which B.from which C.in which D.about which
希望高人说说选择答案的理由

Answer 1

我选B
定语从句,先行词 system
其中which=health care service system
代词提前
那么其实就是I am sure most peasants will benefit from which【health care service system 】
benefit from从.中受益
魔兽中恐惧魔王常说的一句话就是how will it benefit me?