Questions 8 and 9 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. The OPEC is expected to increase its 0fficialoutput quota to make up the shortfall caused by ______.

A．A good memory is very important in studying English.
B．The complex movement of human brains.
C．Human memory and how to use it.
D．The importance of having a good memory.