B) Canaan actually received the curse instead of Cham.
Explanation:
According to the given excerpt from "The Selling of Joseph", there is a supposed justification for slavery which is said that because Adam cursed Cham who had black skin, then it was right to make blacks slaves.
Therefore, the statement does NOT refute the claim made by this reasoning is option B. This is because, Canaan actually received the curse instead of Cham.
