Final Answer:
Since 2000, the percentage of junior high school and high school students who use Ecstasy and other club drugs has decreased. Option B is answer.
Step-by-step explanation:
The answer is based on a trend in the use of Ecstasy and club drugs among junior high school and high school students since the year 2000. A decrease indicates a reduction in the prevalence of drug use within this demographic.
This decline may be attributed to various factors, including educational programs, increased awareness of the risks associated with drug use, law enforcement efforts, or changes in social attitudes.
The decrease suggests positive outcomes in efforts to curb substance abuse among young individuals during the specified time frame.
Option: B is the answer.