A or C depending on where your from
C. Arianna spends way too much time getting ready in the morning.
Answer:
Have humans always snored?
Explanation:
After reading the heading and title of the passage which were "About Snoring" and "What causes snoring", the best question to ask before reading the rest of the passage would be to ask, "Have humans always snored?".
This would enable the reader to understand if snoring has always been an attribute of humans before finding out what causes it.
The setting would be 'modern day' London. Modern day when it was written in the late 1800s.