When the reaction shown below was performed, the product obtained gave a bright orange red precipitate with 2,4-dinitrophenylhydrazine and does not react with a saturated solution of $$\text{NaHCO}_3$$. This implies that

A

hydrolysis has taken place

B

intramolecular Friedal Crafts reaction has been favoured

C

intermolecular Friedal Crafts reaction has taken place

D

the product has a carbonyl functional group