31. Unlikethe conviction held by many of her colleagues that genes were relatively simple and static, Barbara McClintock adheredto 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 incorn are capable of moving from one chromosomal site to another.

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

(B) Although many ofher colleagues were of the conviction of genes being

(C) Contrary to many of her colleagues being convincedthat genes were

(D) Even though many ofher colleagues were convinced that genes were

(E) Even with many of her colleagues convinced of genesbeing