The orchestra's principal violinist ______ a child prodigy who had debuted at age seven ______ performed the concerto from memory.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
—,
- Bcheck_circle
—, —
- C
, —
- D
, ,
Explanation
A pair of em-dashes properly emphasizes a parenthetical. Mismatched punctuation is ungrammatical, and commas would work but the dashes provide stronger emphasis.