The author was grievous for the reason thatA．the World Trade Center towers was attacked by
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The author was grievous for the reason that
A．the World Trade Center towers was attacked by terrorists.
B．Armstrong declined his interview for a second time.
C．the interview would be canceled for the transportation difficulty.
D．Armstrong was on his way to Huston for another interview.
请帮忙给出正确答案和分析，谢谢！
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正确答案：A
推断题。由题干定位至第四段第四句。根据前一句“ThenIsawthehorrifyingcollapseoftheWorldTradeCentertowersonTV．”可知，作者感到悲伤的原因是世贸巾心的垮塌(9-11事件)，因此[A]正确。