Which one among the following reaction products gives the iodoform test?

• A
  $CH_3CH_2CH_2CN \xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } C_6H_5MgBr} CH_3CH_2CH_2COC_6H_5$
• B
  $(C_6H_5)_2Cd \xrightarrow{CH_3COCl} C_6H_5COCH_3$
• C
  $CH_2=CHCH_2CH(OH)C_6H_5 \xrightarrow{PCC} CH_2=CHCH_2COC_6H_5$
• D
  $C_6H_5CH_2CN \xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } C_2H_5MgBr} C_6H_5CH_2COC_2H_5$