The correct answer is C. A single social class
Explanation:
The novel of manners refers to a type of novel that focuses on the customs, behaviors, beliefs, and values of a specific social class or group and within a specific historical context. For example, a novel of manners can focus on the low social class during the 18th century in France. Because of this, it is common in the novel of manners most of the characters belong to the social group being described and the conflict of the story explores the features or issues of the social class or whether the characters fit on them. Considering this, it can be concluded the novel of manners dealt primarily with a single social class.
