How Did the Continental Army's Policy on the Enlistment of Black

How did the Continental Army's policy on the enlistment of black soldiers change on January 16,1776?

A) The army allowed free blacks who had previously served in the army to re-enlist,but barred all other black men from serving.
B) The army began to offer freedom to any slaves who escaped from Loyalist masters and agreed to serve in the army for three years.
C) The army opened its ranks to both free blacks and slaves who served with their master's permission.
D) The army reversed its policy of allowing black men to serve and expelled all black soldiers from the service.