In the following sequence of reactions <br> $CH_3 - Br \xrightarrow{KCN} A \xrightarrow{H_3O^+} B \xrightarrow{LiAlH_4} C$<br> the end product (C) is :

Question

( A ) Acetaldehyde
( B ) Ethyl alcohol
( C ) Acetone
( D ) Methane