Treatment of benzene with CO/HCl in the presence of anhydrous `"AlCl"_(3)//"CuCl" ` followed by reaction with `Ac_(2)"O"//"NaOAc"` gives compound X as the major product. Compound X upon reaction with `Br_(2)//Na_(2)CO_(3)`, followed by heating at 473 K with moist KOH furnishes Y as the major product. Reaction of X with `H_(2)//Pd-C`, followed by `H_(3)PO_(4)` treatment gives Z as the major product.
The compound Z is

Options

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B.
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D.

Answer

A