He gradually ______ that his wife was right and he had to change his way of living.

A．Students were not given an opportunity to study women writers outside the canon.
B．Students' original work would not be appreciated by recognized scholars.
C．Most of the students in the course had had little opportunity to study eighteenth-century literature.
D．Students were not given an opportunity to encounter certain sources of information that could prove useful in their future studies.

A．fear of losing the customer
B．the diverse views of the contributors
C．service to the profit motive
D．trying to cater for a vast range of audience