Read the Paragraph Below and Answer the Questions That Follow

Multiple Choice

Read the paragraph below and answer the questions that follow.
(1) The swim-with-dolphin programs popular in tropical resorts have been described as a delightful way to get to know these gentle, intelligent animals. (2) However, people should consider the harmful consequences of swimming with a dolphin and avoid these programs. (3) For one thing, getting into a pool with a dolphin may result in injuries. (4) Quite a few participants have suffered from cuts, bruises, cracked ribs, and broken arms because dolphins are wild animals, and they don't always behave in predictable ways. (5) What's more, swimming with dolphins can be harmful not only to humans but also the dolphins. (6) Trainers may say that these playful, permanently smiling creatures are friendly and love interacting with humans. (7) According to marine mammal scientist Dr. Ben Coleman, though, the dolphins in these programs are being held captive, which causes them stress. (8) Their happy expressions mask their true mental and emotional state. (9) Finally and most important, capturing a wild animal and forcing it to perform tricks for humans' amusement is just downright unethical. (10) These animals deserve to live their lives in freedom in the open seas, as nature intended. Which sentence offers a reference to an authority to support a reason?

A) Sentence 4
B) Sentence 7
C) Sentence 10