To be completely honest with you I really don’t know
Answer: think about how to summarize the text.
Explanation:
The central idea of a text refers to the main point that an author is making about a particular topic. It is referred to as the author's primary message.
Sometimes the central idea in a text can be stated but sometimes can as be inferred. In such case, it's important to summarize the text in order to derive the main point.
Therefore, the correct option is B
Tom is the main narrator.
