A. My aunt who lives in Karachi is a doctor
B. My aunt, who lives in Karachi is a doctor
C. My aunt, who lives in Karachi, is a doctor
D. None of these
A. My aunt who lives in Karachi is a doctor
B. My aunt, who lives in Karachi is a doctor
C. My aunt, who lives in Karachi, is a doctor
D. None of these