The answer for this question would be A. Catch. The reason for this is because in car crash, your body is propelled forward as the car hit the object. So, by catching your head, the head restraint can prevent a broken neck or even death.
The central idea of this passage is that the cat is lazy and manipulative. She doesn't work, but her cunningness and cuteness allow her consistent privileges.
She should start consuming 2,600 calories a day. That way after she burns off her 600 calories, she is still only consuming and storing 2,000 calories.