If you _____ tomorrow, I _____ treat you a big dinner.

1. A.
   are going to come; will
2. B.
   were going to come; would
3. C.
   were to come; would
4. D.
   will; would

If you _____ tomorrow, I _____ treat you a big dinner.

[　　]

A．are going to come; will

B．were going to come; would

C．were to come; would

D．will; would