The correct answer is:
OB. I had sixty-seven dollars until someone-we're still not sure who-stole my wallet from my back pocket.
Explanation:
1. The correct punctuation in this sentence involves using hyphens to set off additional information within the sentence.
2. In this case, the additional information is "we're still not sure who," which is set off by hyphens to indicate that it is a nonessential clause.
3. The correct placement of hyphens helps clarify the structure of the sentence and makes it easier to read and understand.
4. Option B correctly places the hyphens before and after the additional information, maintaining proper punctuation.
