Match the following columns? [NDA] Column I (Fuel Gas) Column II (Major constituent)A.CNG1.Carbon monoxide, hydrogenB.Coal gas2.Butane, propeneC.LPG3.Methane, ethaneD.Water gas4.Hydrogen, methane, carbon monoxide

• A. A-2,   B-1,   C-3,   D-4
• B. A-2,   B-4,   C-3,   D-1
• C. A-3,   B-4,   C-2,   D-1
• D. A-3,   B-1,   C-2,   D-4