I'm guessing b but I'm not sure
Cats can purr for various reasons, using the soft rumble as a way of communicating and as a form of self-soothing or even healing. This is why cats will often purr when they're injured, or after a stressful event.
Make quick decisions. <span />
The Child Abuse Prevention and Treatment Act (CAPTA)
The heart is strengthend through cardiovascular exercise.