问题
选择题
He was known to have been hanging about and was not expected to pass the test. ______, his failure came as no wonder to his parents.
A．However
B．Instead
C．Besides
D．Therefore
答案
答案：D
题目分析：考察副词词义辨析。A然而；B代替，而不是；C而且；D因此；句意：人们都知道他一直都在闲逛，没有希望能够通过考试。因此，他的失败对他的父母来说是不奇怪的事情。根据句意说明上下文是因果关系，故使用therefore。故D正确。