——What made him so upset?
——______she failed in her examination
A. What B. That C. Because D. Whether
——What made him so upset?
——______she failed in her examination
A. What B. That C. Because D. Whether
B
主要测试主语从句。由语境可知译文：-----什么让他如此不高兴？----考试失败了（让他如此不高兴）。从句子的语境可知第二句属于紧称上文的省略，完整的句子应该是——______she failed in her examination ( made him so upset )，另外结合此句子可知不缺少成分，只需要引导主语从句的引导词that即可。以后遇到此类试题时可以利用还原的方法来解决：即把句子还原，也就是把省略的部分给它不上去。