By the end of the Eastern Han Dynasty (25-250 AD), in today's ______ Province, people mixed high quality glutinous clay and pottery stone, and created a body that could be modeled and fired to create a vessel. It pale blue-green vessel was sturdy and it could be engraved or painted on for extra decoration. That was the birth of the world's earliest porcelain.
A、Jingdezhen
B、Jiangsu
C、Zhejiang
D、Beijing