Fill in the reagents for the given conversion :
`CH_(3)COCl overset((X))to CH_(3)CHO overset((Y))to CH_(3)-overset(OH) overset(|)(CH)-CH_(2)CHO overset((Z))to CH_(3)CH=CHCHO`
A. `{:(X,Y,Z),(Pd//BaSO_(4),"dil. "NaOH, "heat") :}`
B. `{:(X,Y,Z),(NaOH,"Hydrolysis","heat"):}`
C. `{:(X,Y,Z),(I_(2)//NaOH,LiAlH_(4), H_(3)O^(+)):}`
D. `{:(X,Y,Z),(CrO_(3),"Warm",CO_(2)):}`
