This was kinda confusing but after I read it twice I think its B
They can give you more resources if you need help, like websites or games for the topic you are learning. They can teach by using hands-on, visual, or note-taking ways. Play games of the topic you just learned before a test, etc.
Answer: D
Reasoning: If you think about it you cannot use it's in any other tense. Past tense, it's wouldn't work. Future tense, it's may not work.
Tactic: Process of Elimination
Answer: D - all of the above
Explanation: A “round” character is simply one whose journey is evident in the story. A “flat” character is a simpler, 2-dimensional version, they lack depth.