Which choice completes the text so that it conforms to the conventions of Standard English?

Question

My brother, ____ is a doctor.

Accepted Answer

A. who is older than me,. The clause is opened by a comma and must be closed by one before the verb.

Answer

B. who is older than me — Never closed.

Answer

C. who is older than me; — A semicolon leaves "is a doctor" as a fragment.

Answer

D. who is older than me, he — "he" doubles the subject.

Standard English Conventions practice question