Octavia Butler ______ a master of speculative fiction ______ won both Hugo and Nebula awards for her writing.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
, —
- B
(, )
- C
—, ,
- Dcheck_circle
—, —
Explanation
A pair of em-dashes properly sets off a parenthetical appositive. Mismatched punctuation is ungrammatical.