The correct answer in the space provided is letter A, a monologue. The monologue is suitable in the statement above for a monologue speaks for the person who has been delivering his or her sentences with a long speech that will be suitable for the theme or for the audience who seeks.
To inform the reader about how the landscape makes him feel
It conveys the subject of the paragraph.
That way, the subject can be further elaborated and backed up with supporting statements/evidence in the following sentences of the paragraph :)