Final answer:
Option B (Mark Smith, who won the salesman of the year award, received a promotion) uses commas correctly to set off additional information.
Explanation:
Among the given sentences, Option B uses commas correctly: Mark Smith, who won the salesman of the year award, received a promotion. The comma after 'Smith' sets off the non-restrictive subordinate clause 'who won the salesman of the year award,' providing additional information about Mark Smith.
Using commas appropriately helps clarify sentence structure and ensure correct punctuation. In this case, the comma is used to separate the main clause from the non-restrictive relative clause.
Learn more about Commas and Sentence Structure here:
https://brainly.com/question/39526312
