In a reaction `CH_2=CH_2underset"acid"overset"Hypochlorous"to MoversetRto underset(CH_2-OH)overset(CH_2-OH)|`
Where M=molecule, R=reagent , M and R are
A. `CH_3CH_2Cl` and NaOH
B. `CH_2Cl-CH_2OH` and aq. `NaHCO_3`
C. `CH_3CH_2OH` and HCl
D. `CH_2=CH_2` and heat