In spite of the difficulties, according to the text more than thirty-five million people a year give up smoking.

A．All of the top CEOs in America graduate from colleges that are not very elite.
B．It is completely unnecessary to attend elite colleges if one wants to succeed.
C．Elite colleges usually cannot provide excellent graduates for the society.
D．Still a part of top American CEOs are top elite colleges' graduates.

A．The author supported the idea of entering an expensive elite college.
B．The author does not think it necessary to enter an expensive elite college.
C．The author does not state his opinion directly.
D．The author thinks it is students themselves that is the most important factor in building their future.