单项选择题

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage.
What’s the main idea of the passage

A．The life of the chimpanzee.
B．The cleverness of the chimpanzee.
C．The study on the chimpanzee.
D．The reproduction of the chimpanzee.

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单项选择题

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.Now listen to the passage. What’s the main idea of the passage 您的浏览器不支持 audio 元素。