In the sixth paragraph, the description of tom’s father, the "fifth character in the play," introduces which idea?
a) tom distrusts his father and disapproves of his actions.
b) tom and his family have since reconciled with the father.
c) the father’s absence suggests he cannot be a source of tension in the play.
d) the father’s correspondence shows he still cares about the well-being of his family.
e) the void created by the father’s absence serves as an important character itself.