【单选题】

{{I}}Questions 18—20 are based on the passage you have just hearD、You now have 15 seconds to read Questions 18—20.{{/I}} What is one of the reasons for people’s dissatisfaction with the traditional banks

A、Their business hours are limiteD、
B．Their safety measures are inadequate.
C．Their banking procedures are complicateD、
D．They don’t have enough service windows.