The source that is most likely to be useful is C. A medical provider website.
It should be noted that when an individual is looking for a credible source of information, it's important to look at credible sources such as information from credible websites, information from credible authors, etc.
When looking for credible sources of information, one should not look at blogs or social media as they may contain incorrect information.
Since the person is searching for information about the effect of drugs on a teenager, then the source that is most likely to be useful is a medical provider website.
Read related link on:
https://brainly.com/question/24992994
