What are the materials made of Chinese tea sets?

What are the materials made of Chinese tea sets?
A.Porcelain Tea Sets（瓷壶）.
B.Purple Sand Tea Sets（紫砂壶）.
C.Bamboo Tea Sets.
D.Glass Tea Sets.
正确答案：Porcelain Tea Sets（瓷壶）.；Purple Sand Tea Sets（紫砂壶）.；Bamboo Tea Sets.；Glass Tea Sets.