2-Chloro-2-methylpentane on reaction with sodium methoxide in methanol yields :
(a)`C_2H_5CH_2undersetunderset(CH_3)(|)oversetoverset(CH_3)(|)C-OCH_3`
(b)`C_2H_5CH_2undersetunderset(CH_3)(|)C=CH_2`
(c )`C_2H_5CH=undersetunderset(CH_3)(|)C-CH_3`
A. (a) and (c )
B. (c ) only
C. (a) and (b)
D. All of these