— Show me the map, please. I wonder _____.

— Look, it's here, in the east of China, near Taiwan Province.     [ ]

A. where is Diaoyu Island      

B. where Diaoyu Island is  

C. what is Diaoyu Island like

以下哪种物质火灾属于C类火灾（）

A.甲烷

B.天然气

C.汽油

D.铝镁合金