<span>d. a narrator who can experience the action only through the eyes of one particular character</span>
I think that answer would be “their” because his only describes one person, but the sentence above says both of the boys meaning 2 boys so the final answer is: their.
hopefully this helps, have a great day <3
B is for bulling
Y is for youth
S is for speak up
T is for terrible
A is for action
N is for nothing
D is for don't stand by
E is for everyone
R is for relishing the problem