The answer would be (A) again because in a essay you are stating your points and you have a structure on how to do it and it must be consistent throughout the whole essay or its going to be choppy and you wont get a good grade. hopefully that made sense. The other answers wouldn't make sense. So go with (A)
Answer:
C Establish a cultural comparison for her argument about napping.
Explanation:
The author has tried to mention the custom of European napping. It is a mid day pause from the routine works to feel the individual fresh every day. The person can have a short break from his work and enjoy the time doing things that make him feel fresh again. The author has made comparison from the other countries who do not follow such rituals.
The answer is C that's the only one that makes sense and the context clues help with the meaning