41. Which of the following statement is CORRECT?
(A) Patients at Mr. Hollan’s clinic tend to think 7 to 8 hours of sleep is the norm.
(B) According to the study mentioned in the article, about four percent of Americans had
taken a prescription sleeping pill before.
(C) Eight hours of sleep rule has not been widely accepted until the Industrial Revolution.
(D) Mr. Hollan’s clients are often financially-challenged and cannot afford a decent place
to sleep.
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