Answer:
C. It emphasizes a series of points made by the speaker.
Explanation:
A rhetorical question is a literary device which is a statement in the form of a question used to certify a point and does not elicit a reply. This device is used to provide more clarity to the speaker's central idea and emphasize the value points that he wishes to highlight. It is the central question which the speaker wants the readers' focus to shift upon and thus dramatically raises this statement or question to punch up his point and make it stand out completely and persuade the readers as he (the speaker) wants them to spend some time in thoughtful contemplation .
C imagination. The reader needs a good imagination to imagine the picture your painting for them.
He might have chosen to use a rhyme scheme because couples are supposed to work together, compliment another, and be in sync, similar to a rhyme scheme
in the end he survives by clinging to the overturned boat as it is washed into shallow water by the surf. Even then, he waves away a rescuer and points to the correspondent, indicating that he should be helped ashore first. The cook is described as fat and untidily dressed.