In what way do the people actually "disappear" in "the city is so big"?

a. they cannot be seen once they go inside the buildings.

b. they disappear behind closed elevator doors.
c. they are murdered.
d. they move to the suburbs. i choose b?

What is indirect characterization? 1 when the author shows a character’s traits through words and actions 2 when a character expresses her true nature by acting in an opposite manner 3 when the narrator tells what a character is like with an explicit description 4 when a narrator is also a character in a story who provides internal thoughts