单选题 Don't you think ______ a special committee to study the problem?
A. us better to form B. it better we to form
C. we better form D. it better for us to form

【正确答案】 D

【答案解析】[解析] 句子中think后引导的真正宾语应该是to form a special committee。故用it来充当形式宾语，以使句子平衡。故选D。