The answer would be “many animals die prematurely in zoos because they are exposed to infectious diseases.” The claim is stating that something bad is happening in zoos and this one is the only bad side effect in the choices.
The word that best describes one reason "sympathy" is a naturalist poem would be dramatic monologue, it tells a story that has real climax but that nonetheless progresses through stages marked by changes in the narrator's mood as he successively interprets the raven's presence and the meaning of its "nevermore" replies. <span />