12-32 Prospecting for gold during the California gold rush was a relatively easy task, because of erosion, prehistoric glacier movement, and ancient, gold-bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach for anybody with a pan or shovel.
A. because of erosion, prehistoric glacier movement, and ancient, gold-bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach for
B. because of erosion, prehistoric glacier movement, and volcanic activity that thrust ancient, gold-bearing riverbeds to the surface, and putting gold literally within reach of
C. owing to erosion, prehistoric glacier movement, and volcanic activity that had thrust ancient, gold-bearing riverbeds to the surface, and putting gold literally within reach of
D. since erosion, prehistoric glacier movement, and volcanic activity that thrust ancient, gold-bearing riverbeds to the surface, putting gold literally within reach for
E. since erosion, prehistoric glacier movement, and ancient, gold-bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach of
请问D为什么不对,我认为erosion, prehistoric glacier movement, and volcanic activity 才是可以并列的啊?还有就是我只查到reach for的用法,有没有reach of的用法啊?情指教.
D是明显不对的。since 必须引导一个完整的句子，包括主谓宾，（不同于because of）, 但在选项 D 里面，是找不到谓语的，只有that 引导的一个从句，以及一个现在分词结构（putting gold。。。。。）。
within reach of 是比较常见的，这里的reach作名词，意为“可及的范围”
D是明显不对的。since 必须引导一个完整的句子，包括主谓宾，（不同于because of）, 但在选项 D 里面，是找不到谓语的，只有that 引导的一个从句，以及一个现在分词结构（putting gold。。。。。）。
within reach of 是比较常见的，这里的reach作名词，意为“可及的范围”
