Answer:
We meet again.
Step-by-step explanation:
Based on the target audience of doctors who specialize in caring for adolescents, the writer should make the following revision, adjusting punctuation as needed:
D. Delete the list of medical associations in sentence 2.
The list of medical associations in sentence 2, including the California Medical Association, the California Psychiatric Association, the CDC, and the American Academy of Pediatrics, may not be necessary for doctors who specialize in caring for adolescents. These doctors are likely already aware of the support from these associations and may not need the specific mention of them. Removing this list would streamline the information and make it more focused on the topic of teens and sleep.