Find out final product in the following reaction.
`CH_(3) - overset(overset(CH_(3))(|" "))(CH) - COOH overset(LiAiH_(4)" ")(rarr)A overset("PCC ")(rarr)B`
`overset((i)NH_(2)-NH_(2))underset( (ii) KOH)(rarr) C`
A. `CH_(3) - overset(overset(CH_(3))(|" "))(CH) - CH= NOH`
B. `CH_(3) - overset(overset(CH_(3))(|" "))(CH) - CH_(2)- NH_(2)`
C. `CH_(3) - overset(overset(CH_(3))(|" "))(CH) - CH_(3)`
D. `CH_(3) - overset(overset(CH_(3))(|" "))(CH) - CH_(2) - OH`