— What do you think of the Voice of China?

— I have no idea, because I        it yet.

A．didn’t see

B．don’t see

C．won’t see

D．haven’t seen

---Would you come to my house for dinner Sunday night?

---_______,but I'll be dining with my grandparents.　　　

A．I'm sorry

B．Thanks a lot

C．It's a pity

D．I'd love to