单项选择题

Questions 21~22 are based on the following news from the BBC or the VOA. At the end of the news item, you will be given l0 seconds to answer the two questions. Now listen to the news. Under the UN oil-for-food program, Iraq could sell oil______.

A.under the UN supervision
B.in return for humanitarian aid
C.to Russia in return for food
D.to Russia to pay for the construction of the power plant