A policeman can legally give a thorough search to a car by asking for the car occupant’s ______.

A．He has edited three books.
B．He has brought the wrong book.
C．He has lost half of his money.
D．He has found the book that will be used.

A．It is sure that the use illegal drugs call cause life-long dependency.
B．The children who smoke will have their life shorten.
C．Columbia University on Drugs has studied the problems of smoking.
D．Most eighth graders use illegal drugs.