—_____

—Yes, he does. [ ]

A. Do he like bananas?

B. I like bananas.

C. Do you like bananas?

D. Does he like bananas?

能够发生瓦斯爆炸的最低瓦斯浓度值为（）。

A、瓦斯爆炸的上限

B、瓦斯浓度

C、瓦斯爆炸的最强浓度

D、瓦斯爆炸的下限