Academic publishers try to yield higher profits by the following means EXCEPT______.
A．having students buy new editions
B．publishing a textbook series
C．discouraging the use of used textbooks
D．bullying small new publishers of textbooks

A.
A．having
B.publishing
C.discouraging
D.bullying

【参考答案】

B
第二段列举了教材出版公司为了提高利润而采取的种种“阴招”，但不包括出版“系列书”。