According to the passage, the number of young cocaine takers in Spain is ______.

A．In the UK, 29 percent of the boys surveyed in the UK tried binge drink at least 3 times in the previous month.
B．42 percent of boys surveyed had attempted illegal drugs.
C．There are more girls indulging in binge drinking according to the survey.
D．Binge drinking is defined as drinking more than 5 alcohol one after another.

A．is practiced all over the Britain
B．involves taking the student's blood to test drug use
C．aims at driving drag-taking students out of the school
D．is arranged with the help of computer