The background noise in the radio programs serves to the listener as a way to identify the place where the events hapens. Sounds proper of the eviroment such as animals noises, other people talking, cars, waves in the ocean or other climate indicators. It provides them with a context that helps to better understand what is going on.
A word or phrase that modifies a word not included in the sentence is a B. dangling modifier.
For example:
Knowing that it was getting cold outside, the pizza tasted very good.
Answer:
B. It makes the passage more interesting by contrasting the narrator's comments with his thoughts.
Explanation:
The dialogue better shows the conflict between what he is saying to his friend, and what he is feeling.
it depends on what type of play it is but mostly the central idea will be around one or two main characters and the trials that they go through
