What is the past perfect tense of discuss

The writings of james baldwin and zora neale hurston express different perspectives on black culture in america because the two writers originate from different cultures hurston writes about women, while baldwin writes about men the two writers have contradictory opinions about racism in america hurston encourages positivity, while baldwin explores painful topics

Which revision of this sentence best uses direct characterization?

What a literary critic determine a story's complex theme? oa. the public's reaction to the storyob. the number of characters in a storyoc. the order of events within the storyod. the specific details within the storysurmit