Why does the author take 94-year-old Theodora Wesselman as an example in the passage?
To suggest to what degree humans and pet cats can be caretakers for each other.
Because Theodora Wesselman has been living with a pet cat for the past two years.
Because Theodora Wesselman pets her cat Cleo and tells her she loves her.
To show that the elderly like Theodora Wesselman in the USA have pet cats.