English and computer______two useful tools in preparing for one's career, we should do our best to have a good command of them.

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．to live in a different university
B．to take a particular course in a different university
C．to live at home and drive to classes
D．to get two degrees from two different universities