The answer is C. no author was listed.
Regardless of whether the author is credible or important, you always have to give credit where it's due
A.) Continental glaciers are much larger and thicker
The correct answer is B.
The description indicates the man is tough and rich. Tough because he has a square jaw and a scar above his eye. Rich because he has a diamond set into his scarfpin.
The other characteristics cannot be inferred based on this description.
