GMAT Sentence Correction (SC) | Re: Unlike the conviction held by many of her colleagues that

Unlike the conviction held by many of her colleagues that genes were reatively simple and static, Barbara McClintock adhered to her own more complicated ideas about how genes might operate, and in 1983, at the age of 81, was awarded a Nobel Prize for her discovery that the genes in corn are capable of moving from one chromosomal site to another.

(A) Unlike the conviction held by many of her colleagues that genes were

(B) Although many of her colleagues were of the conviction