As soon as the manager entered his office, he began tothe telephone book on his desk.A. lo

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A. look up
B. look into
C. look upon
(答案→)D. look through
解析：句意：经理一进入他的办公室，他就开始浏览桌上的电话本。这里look through“检查，浏览”，look up“查询，抬头看”，look into“调查”，look upon“看作，显得不错，看待”，所以选D。