The word "portals" (Line 2, Para 4) most probably means" _________".

A．must protect and defend the way it educates students
B．need to do less research and more teaching
C．must learn to be more practical and job-oriented
D．need to evaluate what their special role is in society

A．worries that universities are not facing up to the changing times
B．believes that universities must be more competitive and commercial
C．believes the private sector is now doing a better job in higher education
D．is discouraged that universities are not producing the right kinds of students