OG 13 阅读 109题 求教！！！！

evyren

            109. The theory mentioned in lines 1-5 relates to theconceptual models discussed in the passage in whichof the following ways?
            (A) lt may furnish a valid account of ore-formingprocesses, and, hence, can support conceptualmodels that have great practical significance.
            (B) lt suggests that certain geological formations,long believed to be mineralized, are in factmineralized, thus confirming current conceptualmodels.
            (C) lt suggests that there may not be enoughsimilarity across Archean-age gold-quartz veinsystems to warrant the formulation ofconceptual models.
            (D) lt corrects existing theories about the chemicalhalos of gold deposits, and thus provides a basisfor correcting current conceptual models.
            (E) lt suggests that simple prospecting methods stillhave a higher success rate in the discovery ofgold deposits than do more modern methods.


看了一下答案解析还是不太懂啊？？ 这个是个什么题型啊 ，主旨结构型的么？ 大家给点点子讨论讨论这个题吧 谢谢啦~~~这篇文章就读的昏昏的  

evyren

自己顶一下啊 大家来解答下呀！！