I believe the answer would be C. Due to Lois's and Lucy's friendship the last year was horrendous. Lucy's death was tragic, but she needs to accept the wilderness as part of herself. and in order to do that, I believe she has to go back to Camp Manitou.
Answer: The central idea which Medicine bag is that:
The narrator did not have a Medical career and with his current position he found himself, he saw that he would have achieved better if he had gotten a career in medicine.
Explanation: