Acharacter that remains the same throughout the course of a story is considered a. round b. dynamic c. flat d. static

d. Static

Explanation:

Static characters are those that remain the same throughout the course of a story, nevertheless, they may have an interesting personality that attracts people's interest, and can also be protagonists. They are similar to flat characters in the sense that both of them remain the same, however, flat characters are simple, predictable and hardly interesting because they only exhibit one or two qualities throughout the story.

the statement flat characters usually only have one trait that is developed in their story lines is true.