With more traffic problems arising, more strict rules have been set, which makes it diffic

With more traffic problems arising, more strict rules have been set, which makes it difficult for people to succeed the driving test
A. to pass
B. passing
C. to have passed
D. to be passed

A. to pass(答案→)B. passingC. to have passedD. to be passed解析：句意：随着越来越多的交通问题产生，更多严格的规定已经设立，这使人们很难通过驾驶测试。Succeed （in） doing“成功的做”，选B。

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