Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news. According to the news, what are Defense Department officials expected to do on Friday
A．To announce the plans to detect drug smugglers. B．To stop the flow of drugs northward from Latin America. C．To expand the use of military personnel. D．To throw more ships, planes and personnel into the anti-drug movement.