Answer:
Mildred calls them her family and Montag feels disturbed because of he don't know any of them.
Step-by-step explanation:
In Fahrenheit 451, Mildred calls the characters of the program, that she watches on the walls of the parlor as her family.
In the novel, Mildred suffers from emotional instability. She tries to commit sui-cide. Everyone in the society is addicted to watching programs on the wall-sized television. Mildred also desired to have a wall-size television to watch her programs.
Montag is disturbed when Mildred calls the characters on the parlor wall as her family or relative, because he do not know any of them.