TT GWD-8-34

Q34:

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
5. and they based it on their cultivating such crops like corn and beans, their harvest of fish and shellfish, and they exploited

本题答案为B，我的问题是：

1、based on在这里是分词修饰society还是作为主语the Mochica 的动词和developed并列？

2、能否翻译一下原文的意思？

based on 基本是用被动形式的.

似乎没有主动一说.也可能是我寡闻.

在这里是修饰society.你看看句子的意思就理解了.

句子后面是说这个社会的形成是基于什么特点.