The word "novelty" (Line 4, Para. 4) could be best replaced by _______.

A．It states the principles of time.
B．It explains why time flies and how to slow it down.
C．It describes various views about time.
D．It shows the different ideas of physicists and psychologists on time.

A．Because they have a strong desire to be leaders in style and taste.
B．Because they want to show their existence by creating a culture of their own.
C．Because they have no other way to enjoy themselves better.
D．Because they want to make their parents angry.