- I will go to the countryside to see my grandmother this afternoon so I can’t go swim

问题补充：

--- I will go to the countryside to see my grandmother this afternoon, so I can’t go swimming with you .

--- .

A. It’s my pleasure.

B. You are welcome.

C. That’s a pity.

D. Sure, I am.

答案：

A. It’s my pleasure.

B. You are welcome.

(答案→)C. That’s a pity.

D. Sure, I am.

解析：句意：今天下午我将去乡下看我的祖母，所以我不能和你一起去游泳。It’s my pleasure这是我的荣幸。You are welcome别客气。That’s a pity.这是一个遗憾。D Sure, I am.当然，我会。根据I can’t go swimming with you可知该选C。