The prefix in the word 'impartial', meaning 'unbiased', is im-. Without that prefix, partial means biased. Im- is a prefix that gives a word its opposite meaning.
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.
(D) Pretty much souds correct to me .