Marcy should say no. If marcy wants to try it then do it by all means. But if her friend is urging her to do that, its basically peer pressure. So unless she WILLINGLY wants to, then no she should not.
B. Taking part in physical activity has been shown to increase the levels of endorphins in the brain. For this reason many experts will recommend people suffering from depression to increase activity levels
I think it would be D-more meaninful relationships
The answer is going to be 90%.