Which sentence segment contains a punctuation error? "yes i visited crested butte, colorado, last winter," replied mrs. souza.

The sentence segment that contains a punctuation error is "yes I visited [...].

Explanation:

The sentence segment that contains a punctuation error is "yes I visited" because it should include a comma after yes. Interjections, such as yes, no and indeed, used at the start of a sentence are usually followed by a comma or an exclamation mark.

b is the answer for this question.