A-A+
Not until the 1980s______in Beijing start to f
问题详情
Not until the 1980s______in Beijing start to find ways to preserve historic buildings from destruction.
A．some concerned citizens
B．some concerning citizens
C．did some concerning citizens
D．did some concerned citizens请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：句首有not until，其后的句子应使用倒装结构。句子表示过去发生的事情，所以应使用一般过去时。所以，应选择D。
