Answer:
"The importance of being earnest" is considered a comedy of manners because it ironizes the customs and attitudes of the rich society of the Victorian era .
Step-by-step explanation:
Comedy of Manners is a literary genre that focuses its attention on observing the customs, cultures, and behaviors of people at a given time and in a particular society or place.
In this genre are treated, for example, unrequited loves, customs that today would not be politically correct, that is, behaviors that go against established norms of conduct.