"D" <em>make an inference</em>
When there are gaps of information, you usually want to look at the text and the information given to make an inference of what you think the author might mean/ what information needs to be in the context to make the text understandable. The author is trying to get you to make inferences and think for yourself.
I hope this helps!
~kaikers
Answer:
It's because their brains naturally work on later schedules and aren't ready for bed. During adolescence, the body's circadian rhythm (an internal biological clock) is reset, telling a teen to fall asleep later at night and wake up later in the morning.
Explanation:
The answer is A, because it has no errors.
A) People don't always get what they want.
p.s I had this question on a test (':