Question

you are alone at home Someone you don't know calls up says he is your father's friend and asks for him
a) you say : "My father is not available now. May I take a message."
b) you hang up without saying anything
c) you say :" No one is at home now . please call latter".​

Answer 1

b. you hang up without saying anything

Answer 2

we should choose option (a) coz. we don't know who's calling may be he is an intruder