You're researching the impact of the "War on Drugs" on drug consumers. In seeking to answer a question about the number of people who have been unable to enter drug rehabilitation programs, your best option is to

A. Look up your question in Reader's Guid to Periodicals or another similar database

B. Aslk the reference librarian to help you locate the information.

C. Go to the library's PC and search the online catalog

D. Enter specific key words into a metasearch engine.