The satirical purpose of Madame Jourdain's aside is best represented by:
A. It ridicules the middle-class man by pointing out that his attempts to rise in status are actually demeaning him.
Madame Jourdain's remark suggests that the man she is referring to is attempting to elevate himself socially, but in the process, he is being exploited or treated like a servant, thus highlighting the absurdity and demeaning aspects of his efforts to climb the social ladder.