Question

When everybody was listening carefully, the noise of several people fighting outside____ the professor’s speech.

A．troubled

B． excited

C．interrupted

D．disturbed

Answer 1

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)。