The option that can be found in this excerpt is parallelism. Parallelism refers to sentences in which the same form of words is used throughout. So here, you see the present participle form of the verbs - guttering, choking, drowning - the same form is used in all three verbs. There is no repetition here - nothing is repeated. There is also no epiphany - it refers to a revelation. There is no allusion - it refers to a reference to something outside the text itself.
D, with the most simple. When writing speeches/voicing speeches, always go from simple to complex so your listeners or readers can follow the point you are trying to get across.
The stable Buck is a black man, hunched over wit ha crooked back. He is smart (he reads) and strong and yet he is abused by the boss anytime he is mad because he is black.