Predict the product C obtained in the following reaction of
CH3CH2−C≡CH+HCl→BHI−−→C
CH3CH2−l|C|Cl−CH3
CH3−CH−CH2|ClCH2l
CH3−CH2−CH2−l|C|Cl
CH3−CH2−CH−l|CH2Cl
CH3−CH2−C≡HClCH→CH3−CH2C|Cl=HlCH2→CH3−CH2−l|C|Cl−CH3