摘要： C.推断题.根据When the first jet struck World Trade Center at 8:48 a.m. on Tuesday-及And the 18 minutes before the next plane would hit were ticking off.-when the second jet crashed into the south tower- 可知第一架飞机撞击发生在上午8:48.第二架飞机撞击发生在18分钟之后.据此选 C.

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