题干
A report by Taobao on May 3, 2017 has showed that there are more than 50 million “empty-nest” youths aged 20 to 9-years-old in China, with most of them in the places far from their hometowns.
| A．released; working | B．released; worked |
| C．releasing; working | D．being released; to work |
答案(点此获取答案解析）
