\(C{H_3}C{H_2}C{H_2}Cl + alc.\;KOH\mathop \to \limits^\Delta C{H_3}CH = C{H_2} + KCl + {H_2}O\)

• A. Electrophilic substitution & elimination
• B. Nucleophilic substitution & elimination
• C. Only electrophilic reaction
• D. Only nucleophilic reaction