Supposing I ___ this gift, what would he say?

A. accept                     B. accepted                C. should accept           D. would accept

Supposing I ___ this gift, what would he say?

A. accept B. accepted C. should accept D. would accept

Supposing I ___ this gift, what would he say?
A. accept 　　　 B. accepted 　　　　 C. should accept 　　　 D. would accept