Questions 7 and 8 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. According to the news item, ______was the main driving force for the high rate of industrial output in the second quarter.
A．robust investment B．rapid export increase C．the yuan’s peg of 8.28 to the dollar D．falling oil demand and lower steel and property prices