Question

—Would you like to go out for a walk with us?
—          ,but I must finish my homework first.

1. A.
   Of course not
2. B.
   That’s all right
3. C.
   Yes, I’d love to
4. D.
   Yes, I do

Answer 1

C
对于别人礼貌的要求，我们可以用先肯定用I’d love to后否定用but来委婉的表示拒绝，故本题选C。