Answer:
A. My mother, a doctor, hopes that I follow her career path.
Explanation:
The subject my mother preceding the appositive provides sufficient identification on its own, so you need to use commas around the appositive a doctor.
A condition where a part of your body becomes swollen, red, and often painful
Answer: I think it is this one the: plague still worried people as winter
Explanation: Because it stated that in the passage it left helplessness and Thomas Jefferson is technically a person.