问题
选择题
He hadn’t worked hard at his lessons．_______, he failed in the exam．
A．As a result
B．However
C．Otherwise
D．Since then
答案
答案：A
题目分析：句意：他不努力学习功课。结果，考试失败了。前后存在着逻辑上的因果关系；故选A。
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He hadn’t worked hard at his lessons．_______, he failed in the exam．
A．As a result
B．However
C．Otherwise
D．Since then
答案：A
题目分析：句意：他不努力学习功课。结果，考试失败了。前后存在着逻辑上的因果关系；故选A。