My father isn’t in good health now. I think he should pay attention exercise.A. to takeB.

问题补充：

My father isn’t in good health now. I think he should pay attention exercise.

A. to take

B. for taking

C. to taking

D. in taking

答案：

A. to take

B. for taking

(答案→)C. to taking

D. in taking

解析：pay attention to注意，重视。需注意本结构中to是介词，后面接名词或者动名词，故选。