Which of the following sentences does not properly use a subordinating conjunction?

a. you stay put unless i call for you.
b. as the man said, what comes around goes around.
c. i will refuse his demands because they are outrageous.
d. he acts like he's going to cry.

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?