— What did the foreigner say?

— Oh, he asked where ______?   [      ]

A. did Jim come from            

B. Jim came from    

C. Jim comes from              

D. does Jim come from

下列说法正确的是（　　）

A．干馏煤可以得到甲烷、苯和氨等重要化工原料

B．甲烷、乙烯和苯在工业上都可通过石油分馏得到

C．煤是一种可再生能源

D．煤可与水蒸气反应制成水煤气，水煤气的主要成分为C0和H₂