He worked so hard that he was able to pass the exam．This sentence doesn't mean：
A.He worked hard enough to pass the exam．
B.He worked too hard to pass the exam．
C.He worked hard，so he passed the exam．
D.He worked hard，and he passed the exam．
网友回答
B解析分析：so…that…是“结果状语从句”，that从句是肯定句时可以和enough to句型转换(动词不定式表示结果)；that从句是否定句时可以和too…to…或not enough to…转换。此处B项是too…to…句型，是“否定”概念，错了。