单选题
The angry mother didn't know who ______ for the broken glass
A. will blame B. to blame C. to be blamed D. blames
【正确答案】
B
【答案解析】由连接代词、连接副词引导的宾语从句可以和“疑问词+不定式”结构转化，如：I don't know how I should do with the presents．=I don't know how to do with the presents．