Based on the yarns of storytellers, linguistic archeologists are compiling ... ...

Determine whether or not there is an error in the underlined portion of the sentence above. If there is no error, select answer choice "A".
(A) Based on the yarns of storytellers, linguistic archeologists are compiling a written history of Valhalla and are realizing
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set C - Misplaced and Redundant Modifiers