The correct answer would be A because you need a comma in between the <em>A </em>and <em>S</em>
Answer:
Stewards were kitchen staff.
Explanation:
On ships, stewards were typically the staff to prepare and serve meals to passengers. You can infer this by the fact they are the only group remaining in the dining area and are implied to be ship staff by the statement "...they were gossiping about their passengers."
The answer would be simile because the phrase "She was sleeping like a log" is comparing two things using like or as.