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

问题补充：

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

A. looking up

B. looking at

C. looking on

D. looking for

答案：

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。