—Do you want to see the film Pirates of the Caribbean 4 this evening?

—Pirates of the Caribbean 4? I _________ it before. Let me see, I _________ it 2 years ago.

A．saw; have seen

B．had seen; saw

C．have seen; saw

D．have seen; had seen

"青色"的五行属性是（）

A.土

B.金

C.水

D.火

E.木