38. Scientists have observed large concentrations of heavy-metal deposits in the upper twenty centimeters of Baltic Sea sediments, which are consistent with the growth of industrial activity there.
A. Baltic Sea sediments, which are consistent with the growth of industrial activity there
B. Baltic Sea sediments, where the growth of industrial activity is consistent with these findings
C. Baltic Sea sediments, findings consistent with its growth of industrial activity
D. sediments from the Baltic Sea, findings consistent with the growth of industrial activity in the area
E. sediments from the Baltic Sea, consistent with the growth of industrial activity there 
 
1. 修饰 ：(一级排除A,B,E )
非限制定语从句 which/ where 指向前面的名词， 考察
In A and B the words which and where appear to refer to sediments, and in E it is not clear what consistent describes

2.代词：(二级排除C )
 补出抽象名词 代替代词 消除 歧义
 
3. 独立主格结构 ： 独立主格 补出名词合理
虽然没说，但是这样的表达：sediments from the Baltic sea 要优于 Baltic sea sediments. 同样的表达有increase in sales, 等等，仔细体会这些细小的差异地方。