What was Allen Varney's overall opinion of the 'Dark Champions' book in his review for Dragon magazine?

A. He thought it was a perfect addition to the Champions game and had no criticisms.
B. He completely disliked the book and thought it was a poor addition to the Champions game.
C. He reluctantly praised the book, calling it the best Champions supplement in years, but had reservations about its impact on the genre.
D. He thought it was an average supplement, neither particularly good nor bad.
Answer: 