Answer: D) origin French, meaning a social mistake or slip.
Explanation: the expression "faux pas" is originary from French ("faux" means "false" and "pas" means "step") and it is used to describe a significant or embarrassing error, it can be words or a behaviour that are a social mistake or not polite. So from the given options, the one that correctly represents the origin and meaning of "faux pas" is the corresponding to option D: origin French, meaning a social mistake or slip.