From the passage, doctors find it hard to convince their patients of the gravity of lack of sleep because
A
it is caused by a variety of reasons
B
the patients are often tired and cannot get enough sleep
C
people believe that it enhances one's personality
D
its impact on the patient is slow
Verified Correct Answer: A.
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #15425)