Question 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the question. Now listen to the news. According to the forecast, Hurricane Dennis will get stronger as it passes through ______.

A．the majority of musicians have been infected with "yellow fever"
B．the fear of yellow fever has made many musicians dare not visit America
C．the fear of terrorists is infectious among people just like the disease yellow fever
D．Americans fear foreigners under the threat of terrorist attack

A．a system of rewards and punishments
B．frequent disciplining which becomes inexorably more severe as the child grows older
C．benevolent and indulgent during the early years, but somewhat more severe as the child grows older
D．almost entirely psychological