【单选题】

Questions 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 questions. Now listen to the news. Drop in remittances from abroad is mainly due to

A、declining oil production.
B．the outbreak of the MINI flu.
C．the declining GDP in Mexico.
D．the economic downturn in the U.S.