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.

1. based on cultivating such crops like corn and beans, the harvesting of fish and shellfish, and exploiting
2. based on the cultivation of such crops as corn and beans, the harvesting of fish and seafood, and the exploitation of

3. and basing it on the cultivation of crops like corn and beans, harvesting fish and seafood, and the exploiting of
4. and they based it on their cultivation of crops such as corn and beans, the harvest of fish and seafood, and exploiting    这道题增却选项好象有两个谓语？

这句子结构是这样的:Building on ...., 主句, based on....

building, based 都是修饰成分,没有多动词