Questions 18 to 20 are based on the
following passage. At the end of the passage, yon will be given 15 seconds to
answer the questions. Now listen to the
passage.
What does the speaker imply in the end
A．It is human beings that cause wolves to starve first. B．Bad guys caused wolves to starve. C．Wolves are bad guys. D．Wolves are the image of bad guys.