单项选择题

Questions 7 and 8 are based on the following nears. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. The second-step reduction is based most probably on ______.

A.the desire to raise oil prices
B.the consideration that the demand may decrease
C.OPEC’s production capability
D.the fact that oil prices are unstable