they were Furious because they couldn't get them out
The statement that is a fact is letter C.
The Tang Dynasty lasted from 608-907 CE. During this dynasty, China became the largest nation in the world. <span>It covered most of the territory of present-day China, Vietnam and much of Central Asia as far as eastern Kazakhstan.
During his time, the first comprehensive criminal code was created. Literary flourished, and Chinese poetry was at its peak. The world's earliest dated printed book also came from this Dynasty. An improved form of gunpowder and porcelain was manufactured. Their porcelain was shipped of to islamic land, and highly praised there.
Source: </span>https://learnodo-newtonic.com/tang-dynasty-achievements
Hope this helps.