What Was the Source of Domesticated Animals in Africa

What was the source of domesticated animals in Africa?

A) Africans domesticated cattle, horses, goats, and sheep native to the continent.
B) Most large mammals of Africa were unsuitable for domestication and African agriculture was largely without a pastoral element.
C) Cattle, sheep, goats, and the camel were introduced to Africa from the western Mediterranean.
D) Cattle, sheep, goats, and the camel were introduced from western Asia.