The major product of the following reaction i | vedclass

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(C) The reaction involves the Friedel-Crafts acylation of $o$-cresol with $\gamma$-butyrolactone in the presence of a Lewis acid catalyst,$AlCl_3$. $1

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(C) The reaction involves the Friedel-Crafts acylation of $o$-cresol with $\gamma$-butyrolactone in the presence of a Lewis acid catalyst,$AlCl_3$. $1$. The $AlCl_3$ coordinates with the carbonyl oxygen of the lactone,activating it for nucleophilic attack. $2$. The electron-rich aromatic ring of $o$-cresol attacks the activated carbonyl carbon,leading to the ring-opening of the lactone. $3$. This forms an intermediate ketone with a hydroxypropyl side chain. $4$. Under the reaction conditions (heating,$\Delta$),this intermediate undergoes intramolecular cyclization (Friedel-Crafts alkylation) to form a bicyclic ketone. $5$. The regioselectivity is governed by the directing effects of the $-OH$ and $-CH_3$ groups on the aromatic ring,leading to the formation of the product shown in option $C$.

The major product of the following reaction is

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