read the sentence. my brother who is a superb actor will audition tomorrow for a film role. how should the…

read the sentence. my brother who is a superb actor will audition tomorrow for a film role. how should the writer punctuate the underlined nonrestrictive clause in order to emphasize it? my brother: who is a superb actor will audition tomorrow for a film role. my brother; who is a superb actor; will audition tomorrow for a film role. my brother who is a superb actor, will audition tomorrow for a film role. my brother—who is a superb actor—will audition tomorrow for a film role.
Answer
Brief Explanations:
Non - restrictive clauses are set off by commas, dashes, or parentheses. Dashes are used to emphasize the clause more than commas. In this case, using dashes around "who is a superb actor" will emphasize the non - restrictive clause.
Answer:
My brother—who is a superb actor—will audition tomorrow for a film role.