Choose the novel that was sinclair lewis's closest use of the realistic method.

a.) arrowsmith
b.) babbitt
c.) main street

"Arrowsmith" is the one novel among the following choices given in the question that was Sinclair Lewis's closest use of the realistic method. The correct option among all the options that are given in the question is the first option or option "A". i hope that this is the answer that has actually come to your help.