In What Way Did the Trans-Saharan Slave Trade Differ from That

In what way did the trans-Saharan slave trade differ from that of the Atlantic slave trade?

A) The Atlantic slave trade was carried out almost exclusively by Muslims.
B) The trans-Saharan slave trade was carried out in much greater volume than the Atlantic slave trade.
C) The trans-Saharan slave trade concentrated on women, but the Atlantic slave trade concentrated on young men.
D) The African preference for retaining young male slaves to extend kinship lines implied that primarily women were available to the Atlantic trade, while men converted to Islam were more likely trade objects for the trans-Saharan trade.