With the development of industry, the problem of pollution was______from the ver

游客2023-12-27 40

问题 With the development of industry, the problem of pollution was______from the very beginning, but no one cared about it until the late 1800s.

选项 A、solved
B、absent
C、present
D、lacking

答案 C

解析结构识别此处考生需鉴别此句是系表结构、被动语态还是过去进行时的用法；此句意为：随着工业的发展，污染的问题从一开始就显现了；但是直到19世纪末才有人开始关注它。因此答案为C。

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