The author considers the contentions made by the recent historians discussed in the ______.passage to be ______.

A．they read too loudly
B．there are too many repetitive words
C．they are discouraged from using their imagination
D．they have difficulty assessing its meaning

A．young people are showing less interest in higher education
B．students cannot understand modern academic texts
C．academic books are too childish for their undergraduates
D．there has been a significant change in student literacy