Id go with A because the avg for 15 year olds is about 72ish to 100ish.
It means u give it force or it ran out of force
hope this help :)
1:I would say true, because every eating disorder has a explanation on what can get you towards the disorder, though everyone who has it might have got it differently. I wouldn’t say it’s like a certain food though, because it can be with anything.