The answer is C. We’re talking about what changes can be made to keep players safe from head injuries
Answer A is incorrect because the time head injuries were first discovered is irrelevant to keeping kids safe. Answer B is incorrect because you’re asking a yes or no question for a difficult and elaborate topic. Answer D is incorrect because we’re currently examining why head injuries are dangerous and what can be done to prevent them. Answer E is incorrect because this is just speaking of the faults of the human skull. This doesn’t help truly solve the changes that can be made.