Not until the 1980’s ______ 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
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正确答案
试题解析
否定副词not位于句首,句子需用倒装结构。表示“关心的”应该用concerned,concerning意为“有关的”,选项D正确。