If the story "Two Kinds" had been told through Suyuan's point of view, then first person narration would be appropriate. First person is often the most personal.
B. When making an inference, you must look at non-explicit information.
Tone is created through word choice, sentence construction/ word order, and by what the viewpoint is focusing on.
Answer:
when the sisters made Cinderella clean everything in the house, and when the sister tried to lie to the prince