What was the percentage of high school graduates admitted to universities in Britain thirty years ago

A．Expansion in enrollment is bound to affect the quality of British higher education.
B．British universities should expand their enrollment to meet the needs of industry.
C．European universities can better meet the needs of the modem world.
D．British universities should help fight competition on world markets.

A．cautious
B．approving
C．suspicious
D．overenthusiastic