- would you mind looking after my cat?

问题描述:

- would you mind looking after my cat?
-not at all.____________.
A.I've no time B.i 'd rather not.C.i 'd like to D.I'd be happy to
为什么选D,谁能说明详细原因?
C 也是我愿意的意思,而D也是我愿意的意思,为什么不选C?他们有何区别?

语气问题,C感觉很勉强.D感觉比较热情.