By including expert interviews in the adaptation, an effect of realism and real time is created. If people had heard a narrator, they wouldn't have believed that an invasion was taking place in their city. Nevertheless, at hearing expert interviews, everybody thought the invasion was real and they rushed to the streets. The effect is creating a panic atmosphere to experiment what people would do in case of a real invasion.
I think the correct answer from the choices listed above is option D. In O. Henry's "The Gift of the Magi," despite loving her long hair, Della cuts it and sells it because of her wish to buy a Christmas present for Jim. Hope this answers the question. Have a nice day.
D
This is not opinion based therefore it is true