79. 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

B为什么不对？答案说where没有指代物，我觉得就是修饰Baltic Sea sediments