【单选题】

{{I}} Questions 11 to 13 are based on the following passage.At the end of the passage , you will be given 15 seconds to answer the questions. Now listen to the passage.{{/I}} When do some people have pains in their bones

A、When there is a heavy rain.
B．When fine weather continues.
C．When there is a fog.
D．When wet weather is coming.