Which of the following city was not a commercial city in the Tang<br/>Dynasty? () A: Panyu B: Yangzhou C: Bianzhou D: Yidu E: Diaoyucheng city
Which of the following city was not a commercial city in the Tang<br/>Dynasty? () A: Panyu B: Yangzhou C: Bianzhou D: Yidu E: Diaoyucheng city
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