Question

what is true for a flat character.

the character behave changes throughout the story

the character behavior is easy to predict

the character is motivated by complex emotions

the character always represents the good character in the story

Answer 1

The answer would be "the character behavior is easy to predict". All of the other options describe a round character. Flat characters are mainly not very emotional and complex, and their behavior stays the same throughout the story.

Answer 2

The character is predictable. Flat characters don’t change and are simple to understand normally!