In the reaction <br> <br> The electrophile involved is

Question

( A ) Dichloromethyl cation ( $^\bigoplus CHCl_2$ )
( B ) Dichloromethyl anion ( $^\bigoplus CHCl_2$ )
( C ) Dichlorocarbene ( $: CCl_2$)
( D ) Formyl cation ( $^\bigoplus CHO$ )