please help it has something to do with the play "sorry, wrong number"

1. How does the author of “Sorry, Wrong Number” use historical events to enhance the plot?
A. By describing the culture of the time period in detail.
B. By using historical figures as characters in the story.
C. By using set props, such as the rotary phone, associated with the time period.

2. Which line first suggests that Mrs. Stevenson might be the intended victim?

A. “It was a perfectly definite murder. I heard their plans distinctly.”
B. “Well, it’s unnerved me dreadfully—and I’m not well.”
C. “That’s near a bridge. . . And we have a private patrolman on our street.”
D. “Second Avenue is a very long street, ma’am.”