Answer:
B.Flat and static
Step-by-step explanation:
Flat and static character refers to the type of character that does not demand or urge any change within the storyline.
Vonnegut believed that this type of character represent the opinion of American people throughout history.
He believed that American view of equality tend be revolved around making people with high social status maintaining their power within the society. They actively make intervention toward people from lower social status to increase their general wellness and seek to punish those who do not share a similar view.