`CH_(3)-(CH_(2))_(3)-OH overset(CH_(3)-underset(O)underset(||)overset(O)overset(||)(S)-Cl)underset(ET_(3)N)(rarr)(A) overset(14)overset(KCN)(rarr)(B) overset(H_(3)O^(o+))(rarr)(C)`
Product (C) is :
A. `CH_(3)-(CH_(2))_(3)-CO_(2)H`
B. `CH_(3)-(CH_(2))_(3)-.^(14)CO_(2)H`
C. `CH_(3)-CO_(2)H`
D. `CH_(3)-underset(14)overset(O)overset(||)(C)-O-H`
