【题目】People try to avoid public transportation delays by using their own cars, and this creates further problems.
A. in short B. in case
C. in doubt D. in turn
在线课程【答案】
【解析】这题考查词组辨析，in short简言之，in case以防，in doubt怀疑in turn 依次，反之。句意是：人们努力通过使用自己的车来避免公共交通延误，但是，反过来有产生了更多的问题。