OG12-28 中cultivate, harvest, exploit平行的问题，求指教

foreverjune

28. 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 shellfi sh, 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 fi sh and seafood , and exploiting
(E) and they based it on their cultivating such crops like corn and beans , their harvest of fi sh and shellfi sh , and they exploited

关于句子中cultivate, harvest, exploit三个词的平行， OG解释中不是说三个动词都应该用ing形式平行的么？ B选项中是cultivation，havesting 和exploitation啊，这是为什么？ 请问为什么B选项中harvest一词没有直接用harvest，而用了harvesting作为平行呢。

lainemai

harvest作为名词有n. 收割；收获季节；收成；结果
作为动词才有捕猎的意思.....所以这里用动名词是对的

ukyo2003

注意后面两个ving都是动词的名词形式，而且前面加了the，表示名词化。这个the很重要。

foreverjune

lainemai 发表于 2015-3-26 16:22
harvest作为名词有n. 收割；收获季节；收成；结果
作为动词才有捕猎的意思.....所以这里用动名词是对的 ...

哦，原来如此，谢谢！

foreverjune

ukyo2003 发表于 2015-3-26 17:15
注意后面两个ving都是动词的名词形式，而且前面加了the，表示名词化。这个the很重要。 ...

嗯，明白了，谢谢！