| A) The woman is making too big a fuss about her condition. B) Fatigue is a typical symptom of lack of exercise. C) The woman should spend more time outdoors. D) People tend to work longer hours with artificial lighting. | |
| Doctor, I haven't been able to get enough sleep lately, and I'm too tired to concentrate in class. Well, you know, spending too much time indoors with all that artificial lighting can do that to you. Your body loses its track of whether it is day or night. What does the man imply? | |
| Answer: C |
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