Listen!, his family must be quarreling, ?
A. mustn’t it
B. aren’t they
C. isn’t it
D. needn’t they
网友回答
A. mustn’t it
(答案→)B. aren’t they
C. isn’t it
D. needn’t they
解析：考查反意问句。此题易误选C。family的含义要根据其所表达含义而定。根据qurreling，此时是指一家人。故选B。看下列句子：His family is very big. His family are all fond of music.