An adverb is an adjective + a verb. Meaning, it's a word that describes what someone/something is doing during the action.
A (whistle) & C (referee) are both nouns - person, place, or thing.
D (red) is just an adjective - describing something
B would make the most sense, it's telling you what the referee does with his whistle.
Hope this helped!
Answer:
1. (depends on info)
2. It is more than six months since Peter last had his hair cut.
3. The last time Rachel wore that dress was at her sister's wedding.
4. When did you last pay a visit to your grandparents?
5. They advise that you carry a passport with you at all times.
I believe the idea was that women desired the right of choice, and that beauty lies within