--- I’m afraid it’s going to rain this afternoon.
--- Look at the dark and cloudy sky.
A. Not really.
B. Is it?
C. Why not?
D. I guess so.
网友回答
A. Not really.
B. Is it?
C. Why not?
(答案→)D. I guess so.
解析：考查交际用语。A不是真的这样；B是这样吗？C为什么不？D我猜是这样。句意：—恐怕今天下午要下雨了。—我猜也是这样，看看天上的乌云。根据句意说明这两个人意见一致。故D正确。