从（）的角度来看，原油稳定方法中精馏法比提馏法好。

A.塔顶产品收率要求

B.热能的综合利用

C.塔底产品质量要求

D.产品质量

I must go there earlier. John has suggested that I _____an hour before the discussion begins.

A．will go

B．shall go

C．go

D．would go