A、Australia. B、Austria. C、Thailand. D、The United States. B新闻提到，中国有许多中产阶级家庭选择去澳大利亚、泰国和美国接受生产治疗。故选B。

China’s fertility industry could benefit now that the Chinese government has relaxed its one-child policy. (5) China eased the country’s one-child per couple policy at the end of October. All married couples are permitted to have two children. The world’s fertility clinics should see an increase in business. Couples face problems when trying to conceive through clinics in China. Some couples prefer to select the gender of their child. The government does not permit gender selection, or advanced fertility methods. (7) Middle-class Chinese couples travel to Australia, Thailand or the United States for fertility treatments. (6) These foreign markets could benefit from an increased demand for fertility services.
5. When did China ease the one-child policy?
6. Which is correct in the following sentences?
7. Which country is not mentioned in the news?