Thanks so muchhhh really appreciate it
The correct answer is B.
By analizing his education and professional background, we can assess how well informed on the subject the author of the book is.
If we conclude that the author has done enough research and is, indeed, proficient on the subject, we can conclude that the book is valid as a reliable source of information.
I gotchu fam
The tone is gentle giving the impression that the reader and author are caring people, but also very ironic since a tree can't be "unchopped."
