Consider the reactions : <br> Identify A, X, Y and Z

Question

https://clay6.com/mpaimg/711_a.jpg

( A ) A-Ethanol, X-Acetaldehyde, Y-Butanone Z-Hydrazone
( B ) A-Methoxymethane, X-Ethanol, Y-Ethanoic acid, Z-Semicarbazide
( C ) A-Ethanal, X-Ethanol, Y-But-2-enal., Z-Semicarbazone
( D ) A-Methoxymethane, X-Ethanoic acid, Y-Acetate ion, Z-Hydrazine