The eyes reactlight as everybody knows.A. withB. againstC. onD. to

问题补充：

The eyes reactlight,as everybody knows.

A. with

B. against

C. on

D. to

答案：

A. with

B. against

C. on

(答案→)D. to

解析：考查固定词组。固定词组react to…对…做出反应；句意：眼睛要对光线做出反应，正如每个人都知道的那样。故D正确。