Answer:
Adopting a pet means saving an animal and gaining a friend.
Step-by-step explanation:
In the given text "Adopt a Pet", the author lists the various factors that resulted in adopting a pet. The text's main theme seems to be the idea of pet adoption and how one can do their bit in ensuring the safety of animals and also saving a life.
While the various parts of the whole text describe the various aspects of adoption, the sentence that most reflects the author's claim is that "[A]dopting a pet means saving an animal and gaining a friend." This sentence summarizes the overall message of the whole passage.