To get the answer to this question, read the directions/warning section of the bottle and see if it is ok to take another "drug" with nyquil, you could also ask your doctor
Answer:
The answer is most likely D, as the selling is not to a large scale but a small group of people who wish to purchase. (If you feel like this is wrong select C though D appears to be the most likely). Very sorry if I'm wrong and good luck once again :)
Explanation: