Which type of reaction occurs when 2-iodo-2-methylpropane, \({\text{C(C}}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{3}}}{\text{I}}\), reacts with aqueous sodium hydroxide, NaOH(aq)?

A.     Addition

B.     Free-radical substitution

C.     \({{\text{S}}_{\text{N}}}{\text{1}}\)

D.     \({{\text{S}}_{\text{N}}}{\text{2}}\)

C