23. (2018眉山)He realized that Americans can hardly avoid ________ products made in China.
A. to buy  B. buy  C. buying  D. bought
23. C【解析】考查动名词。句意：他意识到美国人几乎不能避免购买中国制造的产品。avoid doing sth.意为“避免做某事”，故选C。