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.
The general tone of the passage is one of ______.

A．Placing the dead in tombs carved out of solid rock.
B．Building pyramids to house the bodies of dead kings.
C．Preserving dead bodies with oils and spices.
D．Constructing tombs without the use of wheels or heavy equipment.

A．The formation of a funnel cloud.
B．The sighting of a funnel cloud.
C．The bulletin issued by the National Weather Service.
D．The convergence of favorable conditions for a funnel cloud to form.