Well, you need to give us the choices before we can give an exact answer but normally you can evaluate the tone by thinking about the context and meaning.
some examples of strong disapproval might be: "She's such a horrible person" or "I really hate this lamp it's ugly" The bolded words show the strong disapproval.
But most likely you should be able to find it by evaluating tone.
With a pencil and paper and also a brain lol.
She study the difference between the too. & remember the thoughts she was learned as a child
Answer: C Tone
Explanation:
Descriptions like imagery and repetition show the characters personality, and can describe lightheartedness or dire situations in books or text. That and the fact that its the only one that makes sense.