.-Would you mind the window ?Of course not.I feel hot too.A. not openB. not opening.C.

问题补充：

.-Would you mind the window ?

--Of course not.I feel hot,too.

A. not open

B. not opening.

C. opening

D. to open

答案：

A. not open

B. not opening.

(答案→)C. opening

D. to open

解析：句意：你介意打开窗户吗？当然不介意。我也感觉很热。mind doing意为“介意做某事”根据后面的回答Of course not.I feel hot,too.可知，是对对方要求开窗的认可，故选C。