开始我的想法是E更为舒服,其中有“,”隔开,well established是指leaching作为一个“method”established“as early as the eighteen centry",所以认为E从时态上和逻辑意义上都比较顺畅;但由于ETS的解释都是临近修饰原则,这里的逗号会给人歧义是去修饰“mineral extraction”,而c中“as early as the eighteenth century”有一个理解是was as early as the eithteen centry a well……逻辑意义上也是正确且可以接受的;按照以前语法定义的讲解,as early as应该是去修饰和形容某一动作,所以不该是修饰某一名词的,因此从结构上好像c更合理,哎,又溯源到了让我无限头疼和不解的as early as的原始位置,哪位NN能给个例证,看看和C相同的结构,好确认一下这种用法。
1.No matter what your "full" retirement age is, you may start receiving benefits as early as age 62 - however, your benefits will be reduced if you retire early.
2.In "A Little Rocket Fuel with your Salad?" Ayres describes how aircraft and missile developers were warned to stop dumping perchlorates into unlined holding ponds, pits, and local aquifers as early as 1949.