Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. Now, listen to the news. Bush’s offering help for the survivors of the earthquake in Iran ______.
A．indicates a change in the US policy B．because such ’an action is a right thing C．shows that the US wants to strengthen the two countries’ relationship D．is to win the electorate in the US