Allusion-a reference to a statement, person, place, event, or thing well known from literature, history, religion, pop culture, etc.
D is the answer to your question!
Answer: A friend is a person with whom I may be sincere.
Explanation:
The speaker says that a friend is someone they can be sincere with. This means that to the speaker, the underlying advantage of friendship is sincerity. Friends can be honest and truthful with one another more than others and so it can be said that honesty holds a friendship together.
This is why honesty is important in a friendship. If friends cannot be honest with one another, the friendship is fractured and according to the speaker, cannot even be referred to as friendship.
a) when a friend says something surprising
Answer:
Setup confrontation resolution
or
Introduction, Rising action, Climax , Falling Action, Resolution