James Gleick's statement about "the gloom that has fallen over the book-publishing industry" refers to:
A. the storm that destroyed one of America's largest book-publishing facilities.
B. the practice of digitizing books that is putting publishers of only printed matter out of business.
C. the idea that the book-publishing industry is failing because of the global economic crisis.
D. the fact that writers are not producing as much anymore and publishers therefore have fewer books to sell.