Which of the following represent free radical substitution reaction $(FSR)$,electrophilic addition reaction $(EAR)$ and nucleophilic addition reaction $(NAR)$?
$I. CH_3-CH=CH_2 \xrightarrow{Cl_2/CCl_4} CH_3-CHCl-CH_2Cl$
$II. CH_3-CO-CH_3 \xrightarrow{HCN/OH^-} CH_3-C(OH)(CN)-CH_3$
$III. CH_3-CH_2-CH_3 \xrightarrow{Cl_2/h\nu} CH_3-CHCl-CH_3$

• A
  $I-EAR, II-NAR, III-NAR$
• B
  $I-EAR, II-NAR, III-FSR$
• C
  $I-FSR, II-EAR, III-EAR$
• D
  $I-NAR, II-FSR, III-EAR$