An increasing number of countries have been China as a threatening power recently.A. look

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A. looking up
B. looking at
(答案→)C. looking on
D. looking for
解析：此处looking up查； looking at向……看；looking on看待； looking for寻找。句意：最近越来越多的国家把中国看作一个威胁的力量。此处look on…as把……看作……。根据句意选C。