How does Friedrich Engels use rhetoric in this sentence to construct his overall argument? (A) The author uses an exaggerated circumstance to provoke a fearful reaction among readers.
I
(B) The author uses a factual example to illustrate the efforts needed to rid the area of filth and disease.
(C) The author uses a comparison to level criticism at the sanitary police for failing to do their job.
(D) The author uses an expert opinion to support the argument that cholera was spread by pollution.