The answer is D. Infancy and old age.
I hope this helps. :)
Rats are various medium-sized, long-tailed rodents of the superfamily Muroidea. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, Rattus norvegicus.
He Had Taken The Bad News Calmly as if she had expected it
Answer: A Biography?
Explanation: Because it is someone else telling a story about who it’s of. Which is 3rd person basically.