–Sorry! I’m busy today. I can’t go swimming with you..A. No problemB. You’re welcomeC.

问题补充：

–Sorry! I’m busy today. I can’t go swimming with you. --.

A. No problem

B. You’re welcome

C. That’s all

D. Never mind

答案：

A. No problem

B. You’re welcome

C. That’s all

(答案→)D. Never mind

解析：句意：很抱歉，今天我很忙！我不能和你去游泳。没关系。A. No problem 没问题 B. You’re welcome 不用谢 C. That’s all 这是全部 D. Never mind没关系。故选D。