Paolo is writing an argument in favor of allowing pets to visit nursing homes. Which statement should Paolo use as his claim?
A. Even though they're full of people, nursing homes can be lonely places to live.
B. Nursing homes with pet-therapy programs see an increase in patient health and well-being.
C. Experts agree that people who regularly interact with animals lead longer, healthier lives.
D. Pets can provide emotional support to all nursing-home patients, even those who suffer from severe illnesses.