Why are background noises and sounds often included in radio programs ?

a ) to show listeners what happened
b ) to give detailed information
c ) to the listener relax
d ) to provide context for the listener

D). To provide context for the listener.

Explanation:

As per the question, the background noises and sounds to provide a context to the readers' that helps them relate to the content of the program and understand it effectively. As it is said, Context plays a vital role in readers' comprehensive understanding of a text as it not only assists them to read/go through between the lines(content) but also to know the author's purpose behind the creation of a particular work and the social and political scenario of the time it was written that aids the readers' to evaluate the text more accurately and effectively. Thus, option D is the correct answer.

the narrator is a first person, participant one, who describes in the simple past tense important and difficult events in his earlier life. he also provides temporal markers as the month (january) and the time (12: 30 pm). finally the account of his experience is very detailed, to the extent that a participant narrator would talk the same way about his experiences. a good example of such detail is the mention of the “bovril ration” which historically was a native american food adopted by european explorers in arctic and antarctic regions due to its high level of calories.