I don’t understand how he can say that everything is fine it’s so obvious that it’s not.A

问题补充：

I don’t understand how he can say that everything is fine it’s so obvious that it’s not.

A. unless

B. when

C. so that

D. in case

答案：

A. unless

(答案→)B. when

C. so that

D. in case

解析：考察连词辨析。A除非…;B既然，当…时；C以至于；D以防；句意：我真不理解，既然很明显这很不顺利，他怎么能说一切都很顺利。根据句意说明B正确。