Answer:
Are you asking what she should do? If you're asking that i suggest whoever it is that got hurt to decide for herself. If the concussion is very bad and she have seen a doctor and they told you to sit out or something else then you should do as told. But if its mild, then she can know her limits and what she wants to do.
It's really an opinion question from your perspective of terrorism.
I'm pretty certain that it's a or b. C and D would be something that a surgean would wonder. Although, im most certain that it's B. Scientists are always asking how or about the causes of something
I need the pints so don’t drink
