问题
选择题
When everybody was listening carefully, the noise of several people fighting outside____ the professor’s speech.
A．troubled
B． excited
C．interrupted
D．disturbed
答案
答案：C
本题考查动词。句意：当大家都在认真地听时，外面几个人打斗声音的打断了教授的演讲。interrupt打断(讲话或讲话人)。