Which of the Following Is True About the Path a Slave-Once

Which of the following is true about the path a slave-once captured-took to the market in Africa?

A) Generally, the captured slaves thought they would be treated fairly and submitted to the long stages of travel.
B) The trips to the coast were generally brief, as most Africans traded as slaves lived near that area.
C) African tribes kept trading stations along routes, for access to food and water. They wanted as few as possible to die along the way.
D) The slaves were tied together with ropes, or had "yokes" around their necks during the journey.