The answer is: A. quickly decide on the main points she’d like to address and how to transition from one point to the next
Answer:
C
Explanation:
Making good choices about when and where to use media would make a person have a healthy media diet. It's a term referring to how much media we use.
A, The river is constantly changing. I did this last year so I know what the answer is. Fickle means changing frequently or in my term, stubborn. In his point of view, the river has a mind of its own and changes often. Which he described as "fickle." It may be hard for Twain to pilot a steamboat, if the river is constantly changing.