The Analytic Answer Erya, provided by Kouba, is the earliest monograph to explain the meaning of words in China, and it is also the first dictionary compiled according to the meaning system and the classification of things in China. Shan Hai Jing is an important ancient book in the pre-Qin period, which is divided into two parts: Shan Jing and Hai Jing. It is the oldest geography book full of myths and legends. Searching for the Gods is a collection of novels that records magical and weird stories in ancient folklore. The writer is Gan Bao, a historian in the Eastern Jin Dynasty. Heavenly Creations is the first comprehensive work on agriculture and handicraft production in the world. It is a comprehensive scientific and technological work in ancient China. Others call it an encyclopedic work. The writer is Song, a scientist in Ming Dynasty. Foreign scholars call it "China17th century craft encyclopedia". Yongle Dadian is the most famous large-scale ancient book in China, the largest encyclopedia in the world so far and the first encyclopedia in China. It was compiled in Yongle period of Ming Dynasty. So the answer is B.