I know two stories that use the rags to riches plot. The Ugly Duckling and Aladdin both use the rags to riches plot in their stories.
Answer: A. Show her brother that she can beat him.
Explanation: I got it right on the instruction/practice.
The error in this sentence is a A) pronoun-antecedent voice agreement error. But it should be noted that this has become more standard usage in common dialogue.
