Identify (X), (Y) and (Z) in the given reaction.
`X +Y overset(Z) to underset("3-Hydroxybutanal")(CH_(3)-overset(OH)overset(|)(CH)-CH_(2))-CHO`
A. `{:(X,Y,Z),(HCHO,CH_(3)CHO,KOH):}`
B. `{:(X,Y,Z),(CH_(3)CHO,CH_(3)CHO,NaOH):}`
C. `{:(X,Y,Z),(CH_(3)CH_(2)OH,HCHO,H_(2)SO_(4)):}`
D. `{:(X,Y,Z),(CH_(3)CH_(2)CHO,HCHO,"Dry ether"):}`
