Final answer:
The passage is most likely written to a babysitter, as it provides detailed child care instructions typical for someone temporarily taking care of a child.
Step-by-step explanation:
The passage is most likely being written to a babysitter. It contains detailed instructions on how to care for a young child, including the child’s meal preferences, naptime routine, instructions for applying cream to mosquito bites, and activities like reading and playing. The nature and detail of this information suggest that it is intended for someone who is not regularly involved in the child's daily routine and would need guidance on how to care for the child, which aligns with the responsibilities of a babysitter.