Many of the earliest known images of Hindu deities in India date from the time of the
Kushan empire, fashioned either from the spotted sandstone of Mathura or Gandharan
grey schist.
A. empire, fashioned either from the spotted sandstone of Mathura or
B. empire, fashioned from either the spotted sandstone of Mathura or from
C. empire, either fashioned from the spotted sandstone of Mathura or
D. empire and either fashioned from the spotted sandstone of Mathura or from
E. empire and were fashioned either from the spotted sandstone of Mathura or from

In OG for A , it says the modifier modifies the nearest noun empire and hence it is wrong.
"Placement of the modifier fashioned...suggests that the Empire (the closest noun) not the images of the
deities , was fashioned out of these materials.

I do agree there is an issue with parallelism in A though.

Usually if you have a independent clause and then a modifier, it modifies the subject of the independent clause.

I agree with the OG answer but I am not convinced with its explanation for A.
For those who are attempting the question - OA is E.