The correct answer is this one: "a. theme." The element of drama supports the humorous tone of the play is the theme. The theme of drama as an element of the play will tell us what the story is about, the tone and the whole feeling or the environment of the story. In other words, it talks about the dominant atmosphere of the story.
In order to be a changemaker you have to propose yourself to do it and accomplish it. It's a goal you set yourself and a mindset you must impose to yourself to accomplish. The way to challenge yourself is to start by doing little things. For example: "You want to run 3 miles", so, start by running just 3 blocks. By doing this everyday eventually you will run 3 miles.
Now, to change the world you have to fight constantly. For example: PETA is an organization that helps fight against animal cruelty. They always assist protest, go to the government to be heard and risk their lives for the sake of the animals. The members are also vegan, they know where the produce cones from and decide not to eat or wear anything animal. These steps make sure that at least some animals aren't eaten or being harmed.
Montresor is considered an unreliable narrator because his opinion of Fortunato is biased. Montresor feels greatly wronged by Fortunato, but the exact wrongdoing that Fortunato has committed is never clearly mentioned in the story.
My educated guess would be that "in an old bus" is the object of the preposition.
