Passage excerpt: It is no longer surprising to hear that some new technology is going to revolutionize education. What is surprising is that a tool as familiar and commonplace as the book may play a role in this revolution. Over the past several years, e-books have begun to play a growing role in education. But now a new trend has emerged: printed textbooks with companion e-books.
Question: What is surprising about the role books may play in the educational technology revolution?
A. The books are too old-fashioned to be useful. B. The books are not compatible with new technology. C. The books are being used in combination with e-books. D. The books are too expensive to be useful.