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
网友回答
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。