Sentence Correction

Q) Building on civilizations that preceded them in coastal Peru, the Mochica developed their own elaborate
society, based on cultivating such crops like corn and beans, the harvesting of fish and shellfish, and exploiting other wild and domestic resources.
Option:
(A) based on cultivating such crops like corn and beans, the harvesting of fish and shellfish, and
exploiting
(B) based on the cultivation of such crops as corn and beans, the harvesting of fish and seafood,
and the exploitation of
(C) and basing it on the cultivation of crops like corn and beans, harvesting fish and seafood, and the exploiting of
(D) and they based it on their cultivation of crops such as corn and beans, the harvest of fish and
seafood, and exploiting
(E) and they based it on their cultivating such crops like corn and beans, their harvest of fish and
shellfish, and they exploited


IMO it was A. I thought cultivating, harvesting and exploiting should be parallel.

OA : B

Thanks everyone for your time!

Regards,
Hiren