In the given reaction CH3−O||C−O−CH3|C|CH3−CH3 Na/C2H5OH−−−−−−−−→ (X)+(Y) [X] and [Y] respectively be: (a)CH3−CH2−OH and CH3−CH3|C|CH3−OH (b)CH3−CH2−OH and CH3−C|CH3=CH2 (c)CH2=CH2 and CH3−CH3|C|CH3−OH (d) all the above