IUPAC Name for given compound :
`CH_(3)-underset(CH_(3))underset(|)(CH)-underset(O)underset(||)C-underset(O)underset(||)C-O-CH_(2)-Cl`
A. Chloromethyl-2-oxo-3methyl butanoate
B. 1-Chloromethoxy-3-methyl butan-1,2-dione
C. 2-Methyl-3-oxo-1-chloromethyl1,2-dione
D. None of these