The question is asking us to picture the following scenario: "your attend a routine medical check up at a group practice before seeing a physician you are required to fill out paperwork that describes your medical history." One option is not a part of your medical history - this is the option that does not concern you, but your peers:
B: habits of your peers - here your peers would have some habits independent of your health history
Your health history includes your state of health and current and recent hospitalizations
