Why does an author use dialogue in characterization?

a. to show the physical gestures a character makes
b. to show how the characters interact with one another
c. to show events that happened before the story began
d. to show the main struggle the characters will face

B

Explanation:

It is difficult to characterize an isolated character, because human interaction is one of the main features that describe personality. This is why having characters interact with one another is a powerful characterization tool, since it lets the writer express each character's personality through the words they say and how they react to others.

b

explanation: