Correct Answer - B
The given compound is an ester which have two parts in the name, an alkyl part which comes from alcohol and an alkanoate part which comes from an acid. The two parts are written separately in name, alkyl first followed by akanoate part.
`3,3-`dibromo`-2-`chlorobutyl`-2-`methyl propanoate
`(` In alkyl part, numbering starts from the carbon directly bonded oxygen`).`