The strategy that would be most useful in determining an appropriate topic for an argument is B) Think of topics that will provide a lot of information and material, such as global warming.
Explanation:
<u>Argumentative writing</u> is a genre used to show the writer's opinion, theory or hypothesis about some phenomenon, To do so, the writer -or student- is required to investigate the topic, collect and evaluate evidence and establish a position that will then be developed in the piece of writing. Therefore, the most useful strategy is B.
It means that even it everyone is doing something wrong, it is not right. It is referring to peer pressure, don't do something just because everyone else it doing it.
