The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and alkyne. The bromoalkane and alkyne, respectively, are
A. `BrCH_(2)CH_(2)CH_(2)CH_(2)CH_(3) " and " CH_(3)CH_(2) C-=CH`
B. `BrCH_(2)CH_(2)CH_(3) " and " CH_(3)CH_(2)CH_(2)C-=CH`
C. `BrCH_(2)CH_(2)CH_(2)CH_(2)CH_(3) " and " CH_(3) C-=CH`
D. `BrCH_(2)CH_(2)CH_(2)CH_(3) " and " CH_(3) CH_(2)C-=CH`