Answer:
D.
Step-by-step explanation:
Informational texts are the texts that is used to provide facts and information. In the note written by Carley to her mother, she provide facts and information about the benefits of having pets.
In her note, she states the proven facts by psychologists that how children with pets learn to be more responsible and empathetic. By stating this fact, she claims that having pet as a birthday gift would be great.
Therefore, from the given options, the correct one is option D.