I don’t think that the necklace is made of diamond, ?
A. do I
B. do you
C. isn’t it
D. is it
网友回答
A. do I
B. do you
C. isn’t it
(答案→)D. is it
解析:句意,我认为这条项链不是由钻石制成的,是不是?若陈述部分是“I (don’t) think/ suppose/ believe/ imagine/ expect 等+宾语从句”时,附加问句与从句时态一致且用肯定形式,所以选D.