(14) Grandma said that people bought the most big ones in the store so they could play their music louder.

How can sentence 14 be written correctly?
Answers
A.
Grandma said that people bought the more bigger ones in the store so they could play their music louder.

B.
Grandma said that people bought the biggest ones in the store so they could play their music louder.

C.
Grandma said that people bought the most bigger ones in the store so they could play their music louder.

D.
Grandma said that people bought the most biggest ones in the store so they could play their music louder.