So badly ______ in the accident that he had to rest for a few days at home.

A．they hate the constant pressure and strain of their study
B．they will, then be able to stay longer in the university
C．such positions help them get better jobs
D．such positions are usually well paid

A．their academic performance will affect their future careers
B．they are heavily involved in student affairs
C．they have to observe university discipline
D．they want to run for positions of authority