A horrible thought him when he was waiting for Tom in the airport: what if the plane from

问题补充：

A horrible thought him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked（劫持）?

A. attacked

B. struck

C. beat

D. occurred

答案：

A. attacked

(答案→)B. struck

C. beat

D. occurred

解析： 句意：当他在机场等待汤姆的时候，突然有了一种可怕的想法，如果从马来西亚的飞机被劫持怎么办？strike sb.“某人突然想起…”，如果用occur，应该是occur to sb. A项attack袭击，beat击败，所以选B。