A because in the last part it says: "Who is incharge"? and that is a seroius question.
Answer:
The medicine making her sleep.
Explanation:
Shes not afraid of it making her sleep, but she's afraid of it killing her.
I believe that the answer is D. "Self-Reliance" is an example of a short memoir. It a record of events written by a person having intimate knowledge of them and based on personal observation.