I think it D. From the things I have learned in health class, antibiotics and medication usually solve the issue.
The use of a drug for non medical reasons
Drugs are usually made to help a person combat diseases, etc, but if it is used for something other then it's intended purpose, or is used to, instead of helping the body but destroying it, it becomes a "drug abuse"
hope this helps
The answer to your question is “An action plan”