扫描二维码，直接登录
题库 / GmatLaCourse-SC-11
Scientists who studied the famous gold field known as Serra Pelada concluded that the rich lode was not produced by the accepted methods of ore formation but that swarms of microbes over millions of years concentrated the gold from jungle soils and rivers and rocks.
not produced by the accepted methods of ore formation but that swarms of microbes over millions of years
not produced by the accepted methods of ore formation but swarms of microbes over millions of years that
produced not by the accepted methods of ore formation but by swarms of microbes that over millions of years
略
略
题目分析：
本题中的平行制造者为not…but…，它们连接的两者需要保证在语法上平行，答案为(C)。
BC之间徘徊了一会儿，B错误的原因是year做了concentrate的主语对吗？
not but连接两者必须保证语法上的对等平行呀～这里B中not后面是produced，but后面是名词swarms
登录 或 注册 后可以参加讨论