Questions 14～16 are based on the following talk on library rules. You now have 15 seconds to read Questions 14～16. For how long can a reader keep the book before he renews it

A．You’ll have to pay extra if your luggage is overweight.
B．Liquid such as aerosol sprays are not allowed to be put in your case.
C．Sharp objects like scissors are not allowed to be packed in your luggage.
D．It’s advisable to take with you an all-purpose adaptor and light traveling iron.