Answer :
Final answer:
The bolded sentence in question is used by the author to provide an example of the boy's readiness to assist others. It's crucial for understanding his character traits and motivations.
Explanation:
The author's purpose of including the bolded sentence in the context given is to offer an example that illustrates the boy's willingness to assist others, which is position 2. To understand this, it's important to consider the key elements of the sentence and how these influence our perception of the boy's character. The sentence provides critical information about the boy's character, revealing his readiness to help others. As such, the reader gains an understanding of his motivations and behaviors in various situations.