It seems like you need assistance with a sentence related to Chang'an. However, without the options in the drop-down menu, I can’t provide a specific completion.
Chang'an is often described as:
- A historical city in ancient China that served as a major cultural and political center.
- One of the major capital cities during various dynasties, particularly the Tang Dynasty.
- A hub of trade and commerce along the Silk Road.
If you provide the options available in the drop-down menu, I’d be happy to help you choose the best completion!