---I think we should buy a car so that it will be convenient for us to go to work.--- but

问题补充：

---I think we should buy a car so that it will be convenient for us to go to work.

---, but do you think we have so much money ?

A. You are joking

B. Come off it

C. I don’t believe it

D. You are dead right

答案：

A. You are joking

B. Come off it

C. I don’t believe it

(答案→)D. You are dead right

解析：考查交际用语。A你在开玩笑吧！B住口；C我不相信；D你完全准确。句意：—我认为我们应该买一辆汽车，那样我们上下班就会很方便。—完全准确。但是你认为我们有那么多钱吗？故D正确。