The past decade___ China's rapid developments both in industry and in agriculture.A was witnessedB has witnessedC is witnessedD witnessed

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The past decade___ China's rapid developments both in industry and in agriculture.A was witnessedB has witnessedC is witnessedD witnessed

The past decade___ China's rapid developments both in industry and in agriculture.A was witnessedB has witnessedC is witnessedD witnessed
The past decade___ China's rapid developments both in industry and in agriculture.
A was witnessed
B has witnessed
C is witnessed
D witnessed

The past decade___ China's rapid developments both in industry and in agriculture.A was witnessedB has witnessedC is witnessedD witnessed
B

D witnessed 简单陈述句,The past decade 做主词,用过去时就可以表达了。
如果句子是 In the past decade, we ..... China's rapid ...
就用完成时 we have witnessed 比较合适。

作为…的见证;作为…发生的地点(或年代等):
the years that witnessed the war
选D

B 完成时强调动作的延续性和对现在的影响