Passage One Questions 11 to 13 are based on the passage you have just heard.

A．Her grades are improved.
B．Good grades are easy to get.
C．Good grades take some sacrifice.
D．Student life is supposed to be difficult.

A．They missed the concert because of the rain.
B．They are soaked in the rain on their way to the concert.
C．They will dry off their clothes immediately before the concert starts.
D．They will change their clothes a few minutes before the performance starts.