【单选题】

Questions 7 and 8 are based on the following news.At the end of the news item, you will be given 10 seconds to answer each of the two questions. Now listen to the news. The price drop of crude oil is beneficial in that itA．helps to revitalize the world economy.

B．promotes oil export to other nations.
C．helps to push up the regional economy.
D．provides an opportunity to the oil exporters.