Which Describes a Typical Black Preacher on Slave Plantations

Which describes a typical black preacher on slave plantations?

A) a free black, often from the North, who ministered to the slaves voluntarily
B) a house slave taught to read by his master and instructed on the sermons to deliver to the field slaves
C) a female healer with knowledge of traditional African spiritual practices
D) a self-educated slave who established a reputation for public speaking and biblical knowledge
E) a "mystic," often a very elderly man or woman, who communicated directly with God on behalf of others