What type of wordplay is the following? "jumbo shrimp" a. metaphor b. oxymoron c. pun d. sarcasm

While in prison, malcolm's introduction to the elijah muhammad's teachings forces him to reflect on his own past experiences. why do those experiences persuade him to join the nation of islam? what, in malcolm's experiences, draws him to an activism more militant than the nonviolent activism of martin luther king jr?