Passage 2
Questions 13 to 15 are based on the passage you have just heard.

For one thing what do the fine arts have（）

A．Bob is too tired to study any more.
B．He told Bob not to study late at night.
C．He had often advised Bob to prepare earlier.
D．Bob didn’t hear the warning.

A．It is the effect of the heat on the objects atoms.
B．They move out of their usual places.
C．Its atoms move too fast.
D．Atoms hold together and give the object its shape.