—How do you like ________ charity show last night?

---I should say it was _______ success.

A．the; /

B．a; a

C．the; a

D．a; /

最为理想的铅蓄电池充电方法是（）。

A．恒流充电法

B．恒压充电法

C．分段恒流充电法

D．浮充电法