He wanted to pass the exam and styed up very late, this creates further problems.
A. in turn
B. in case
C. in doubt
D. in short
网友回答
(答案→)A. in turn
B. in case
C. in doubt
D. in short
解析：考查介词短语的辨析。In turn 轮流，反过来，依据句意是反过来的意思。In case假使，以防万一；in doubt 不确定，拿不准；in short总之，简言之。