单项选择题
Questions 11 to 14 are based on the following dialogue between two old friends on their recent life.
A．A cook B．A waiter C．A cleaner D．A cashier
A．When she is taking a bath B．When she is cleaning a car C．When she is washing clothes D．When she is working in plants
A．The likelihood of losing her luggage B．The possibility of taking a wrong flight C．The difficulty in communicating with others D．The unfriendliness of the porter at the airport