the major product in the following reaction is : `CH_(3)CH(Cl)CH_(2)CH_(2)OH overset(KOH (aq))(rarr)`
A. `CH_(3)-CH=CH-CH_(2)OH`
B. `CH_(2)=CH-CH_(2)-CH_(2)-OH`
C. `{:(CH_(3)-CH-CH_(2)),(" |"" |"),(" "O-" "CH_(2)):}`
D. `CH_(3)-underset(OH)underset(|)(CH)-CH_(2)-CH_(2)-OH`