Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 15 seconds to answer each of the following questions.
Now listen to the news. How can we get 3-D images

A．came from American’s hardworking
B．could be regarded as the reflection of black women’s hardship
C．reflected the insight ideas of men more than those of women
D．was mainly in Southern rural areas by the end of 19^th century