GWD-4-34

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.

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 shellfish, and the exploitation of
C.and basing it on the cultivation of crops like corn and beans, harvesting fish and seafood, and the exploitation 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

想问一下D错误的点啊 they 指the Mochica 不可以吗
而且如果说D后面不平行的话那B的harvesting 不是也不平行吗

真心求问各位大牛啊