---It’s so cloudy. I think it.-I think so.A. is rainingB. rainsC. will rain D. is going

问题补充：

---It’s so cloudy. I think it. ---I think so.

A. is raining

B. rains

C. will rain

D. is going to rain

答案：

A. is raining

B. rains

C. will rain

(答案→)D. is going to rain

解析：天气多云。我认为要下雨了。我也这样想。A. is raining正在下雨；B. rains经常下雨；C. will rain要下雨；D. is going to rain根据多云的迹象判断要下雨了。由句意可知选D。

考点: 考查日常交际用语的用法。