Octavia Spencer ______ an Academy Award-winning actress known for her powerful performances ______ has also become a successful author of children's books.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
, ,
- B
, —
- Ccheck_circle
—, —
- D
—,
Explanation
A pair of em-dashes properly sets off a parenthetical appositive for emphasis. Mismatched punctuation is ungrammatical.