I was in between A and C, and still don't understand how C is correct and A isn't

C: when comparing frighterning and non-frightening experience there is not a direct correlation because some positive experiences also release adrenaline therefore more memory retention

A: when comparing frighterning and non-frightening experience there is not a direct correlation because in some of the intense experiences, there is less memory retention

Admin Note: Edited title. For LR questions, please use the format: "PT#.S#.Q# - brief description of the question."