People try to avoid public transportation delays by using their own cars, and this creates

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

A. in short B. in caseC. in doubt(答案→)D. in turn解析：考查介词短语。In short简言之；in case以防，万一；in doubt怀疑；in turn转而。从句意来看就选择D。

我明天再问问老师，叫他解释下这个问题