Section C Directions: In this section, you will hear several short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Passage One Questions 16 to 18 are based on the passage you have just heard. 16. A) Laughing too much is harmful to a person's health. B) People who laugh a lot don't need to exercise. C) Psychological factors can't influence a person's health. D) Laughing on a regular basis is probably good for your blood vessels. 17. A) One exciting, one stressful. B) One funny, one stressful. C) One humorous, one romantic. D) One depressing, one romantic. 18. A) Average blood flow increased 22 percent during laughter. B) Average blood flow decreased 35 percent during mental stress. C) Laughter may be almost as helpful as exercise. D) Blood flow was increased in 14 of the 20 volunteers after watching the stressful movie.