Might be struggling at the loss of them, and might be mentally suffering. Sorry, if it's incorrect
Is that statement in a reading passage or just by itself? As of right now I believe your thought is right, or possibly C is right
I think it is a... because hike is a verb. warm and cozy are adjitives
(positive) Heroes can help citizens feel secure and can allow them to have somebody to look up to. (negative) However heroes are often burdened with a lot of stress and having to always maintain a role of leadership. This is one negative aspect of having a hero, the amount of burdens that there heroes have.
Hope it helps!