GMAT Sentence Correction (SC) | Re: Scholars have been quarreling over various purported

Scholars have been quarreling over various purported portraits of William Shakespeare for years, and in 2009 the Cobbe portrait was unveiled by Stanley Wells,who claimed that it was the only authentic likeness to have been painted in Shakespeare's lifetime, ignited yet another fuss among the dissenters.

A. who claimed that it was the only authentic likeness to have been painted in Shakespeare's lifetime, ignited
B. who claimed it was the only authentic likeness painted in Shakespeare's lifetime,