B. He joined then left communist party is the correct answer.
Explanation:
Bayard Rustin was an American leader of social movements in civil rights, gay rights, and nonviolence. He worked with Philip Randolph on the march on Washington Movement in 1941 for ending the racial discrimination in employment, helped in organizing Southern Christian Leadership Conference and freedom rides. He became head of Philip Randolph Institute after the passage of civil rights legislation in 1964-65. Later he tilted towards neo conservatism and was praised by Ronald Reagan after his death.
