—Look, what have you done?

—Sorry. I think if I _______ another chance, I'll do it better. [ ]

A. give

B. am given

C. have given

下列有关物质性质与用途的对应关系错误的是[ ]

A．稀有气体的惰性--制成电光源

B．活性炭的吸附性--用于防毒面具

C．氢气的可燃性--作火箭的燃料

D．氢氧化钠易潮解--作某些气体干燥剂