A character who reveals very few personality traits and seems one-dimensional to the reader might be described as

A) protagonist

B) round

C) flat

D) dynamic

Flat. A protagonist is a main character in a story. Round does not make sense. And dynamic is the exact opposite of a one-dimensional character.

The answer is C) Flat

Explanation:

Since there are not enough personality traits or additional descriptions that can describe the emotions the character is feeling, we can considertheir personality ot be flat, we can call them neither dynamic nor round. Protagonist makes reference to the personality of aperson that wants to be the center of attention in an specific context. However, if we're talking about a story, it can be the main character o it.