A. My brother, the doctor, is visiting.
B. My brother the doctor is visiting.
C. My brother, is visiting the doctor.
D. My brother the doctor is visiting his patients.
Answer: My brother, the doctor, is visiting.
A. My brother, the doctor, is visiting.
B. My brother the doctor is visiting.
C. My brother, is visiting the doctor.
D. My brother the doctor is visiting his patients.
Answer: My brother, the doctor, is visiting.
Additional Information: Appositives provide additional information about a noun.
Subjects: Sentence Structure, Grammar