Personally, I would choose D. You should always make a good first impression of someone.
Answer:
the last answer makes sense
The nervous system is what i'd say. Are there any options?
Answer:
Gently swishing a nonalcoholic mouthwash around the mouth can help loosen tonsil stones and reduce the amount of bacteria in the mouth. Having less bacteria can help prevent tonsil stones from forming. Nonalcoholic mouthwash is available in drugstores and online.
Explanation: