Answer:
The information written by someone else that introduces a book should be placed in the foreword (letter B).
Why foreword?
The chapters are the book itself. They do not introduce the book or provide context about its history and importance.
The introduction does provide some context to the book, but it is usually written by the authors themselves.
The index is simply a list of keywords that are alphabetically organized.
The correct option is therefore letter B. The foreword is a type of introduction about the book's importance and context, but it is written by someone else, a different author than the author of the book.
Step-by-step explanation: