GWD－TN－8 Q31题求解

风林火山

GWD-10-Q31
Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process.

A.    as a method of the extraction of minerals, it was well established
B.    as a method of the extraction of minerals well established
C.    was a well-established method of mineral extraction
D.    was a well-established method of extracting mineral that was
E.    had been a method of mineral extraction, well established
答案选C，我选E。大家能说说为什么嘛，答案对嘛？

cx_ding

楼主为什么用过去完成时呢？

还有，分词结构的修饰有歧义。

moonlolita

楼上，E的分词为啥么有歧义啊

yhwut

能做前置修饰的，做后置定语当然不好了。而且用了完成时，意思就变了，就是说：leaching在well establish之前是种方法，那之后不是了吗？当然也是

moonlolita

能做前置修饰的，做后置定语当然不好了。

是真的吗？真的我就信了谢谢