GMAT Sentence Correction (SC) | Re: Classical guitar was neither prestigious nor was often

Classical guitar was neither prestigious nor was often played in concert halls until it was revived by Andres Segovia in the mid-twentieth century, having been won over by the instrument's sound despite its relative obscurity.

A Classical guitar was neither prestigious nor was often played in concert halls until it was revived by Andres Segovia in the mid-twentieth century, having been won over by the instrument's sound despite its relative obscurity.
B Classical guitar was neither prestigious