The company ______ many computers every year.

A．different professors have different approaches to lecturing
B．the purpose of a lecture is to impart information
C．senior students do not attend as many lectures as freshmen
D．a wide variety of subjects are covered in lectures

A．Give and dispute points of view
B．Provide a general overview of the textbook material
C．Give detailed information on one part of the general topic
D．Invite different view on the top at hand