The attitude of the author toward Mr. Ghoshal's criticism is______.

A．become an only acknowledged passport in the business circle
B．provide much more benefits than the law or medical degrees
C．entitle maturity and wisdom to all the corporate leaders
D．make students obtain useful knowledge for the future careers

A．the MBA coursework may not be influenced by those practical things
B．more memorable ways are introduced into all the business schools
C．many top business schools have expanded their teaching of business ethics
D．the role and purpose of an MBA can be changed toward a good direction