摘要： A.词义猜测题.根据-formal announcements inside the sound tower instructed people to stay put, assuring them that the building was sound and the threat was limited to the other tower 及其后的伴随状语所表达的意思 “向他们保证说这幢建筑物安然无恙并且威胁局限在另一塔 可知是要人们 “留下来 .据此选 A.

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