单项选择题

You will hear three dialogues or monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to read your answers. You will hear each piece once only.

Questions 11-13 are based on the following talk. You now have 15 seconds to read Questions 11-13.
How did the woman obtain the information about arm exercises

A．By talking to an expert.
B．By reading an article.
C．By attending an exercise class.
D．By listening to the radio.

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