Which Argument Would Be Akin to Asserting That, by Virtue

Multiple Choice

Which argument would be akin to asserting that, by virtue of the fact slavery was socially acceptable within ancient Rome, it was also moral during that time?

A) The "social acceptability" argument
B) The "competition not the kill" argument
C) The "significant likelihoods" argument
D) The "unfairly singling out a group for harm" argument
E) The "special status of children" argument