How were the approaches of Martin Luther King, Jr. and Malcolm X different?

A.
King focused on improving urban areas, while Malcolm X focused on civil rights in rural areas.

B.
King believed in civil disobedience, while Malcolm X believed violence was sometimes appropriate.

C.
King supported the police and their right to maintain order, while Malcolm X fought against the police.

D.
King used the religion of Islam to support his ideas, while Malcolm X was a devoted Christian leader.