【单选题】

Questions 17 to 20 are based on the following passage.At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage.

Which one of the following statements is true about the new university policiesA．They are forbidding professors from drinking alcohol.
B．They are allowing alcohol to be sold only in the campus puB、
C．They are forbidding students from drinking in the dorms.
D．They are introducing a large tax on campus alcohol.