问题补充:
Every year,millions of people visit Hangzhou,
答案:
D.known
定语从句省略了“which is”
完整的句子其实就是Every year,millions of people visit Hangzhou,which is known for the West Lake.
======以下答案可供参考======
供参考答案1:
D.known
供参考答案2:
选D 非限制性定语从句省略了which is
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