The answer is C. quiet, the others wouldn`t fit because they do not sound right. Quiet is only answer choice for this question because going into a library you need to be quiet
Answer:
The first Persian invasion of Greece, during the Greco-Persian Wars, began in 492 BC, and ended with the decisive Athenian victory at the Battle of Marathon in 490 BC.
C - Insurance companies must insure people even if they are sick.
Before the Affordable Care Act, insurance companies could turn people away if they were sick or had a pre-existing condition. Now insurance companies must insure them.
i’m confused. explain more please. sorry…