Not until the 1980’s______in Beijing start to find ways to prevent historic buil

游客2025-04-01 3

问题 Not until the 1980’s______in Beijing start to find ways to prevent historic buildings from destruction.

选项 A、some concerned citizens
B、some concerning citizens
C、did some concerning citizens
D、did some concerned citizens

答案 D

解析 concerned意思是“关心的”，concerning意思是“有关的”，依据题意应选concerned，又因本题是倒装句，所以答案为D。

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