— Shall I help you with the washing ? — No Mary. I can manage but .A. it doesn’t matter

问题补充：

— Shall I help you with the washing ?

— No, Mary. I can manage, but .

A. it doesn’t matter

B. I don’t mind

C. thank you just the same

D. it’s my pleasure

答案：

A. it doesn’t matter

B. I don’t mind

(答案→)C. thank you just the same

D. it’s my pleasure

解析：由前面的关键词：I can manage, but----可知还是感谢对方。