In Song Dynasty,tea contest was popular among people.The special way they making tea is called( ) ,which means they grind the dry tea into powder and then pour the water into the bowl little by little, in the same time stir it rapidly with a bamboo brush,in that way,thick foam will existed on the surface,the one which has white long-lasting foam will win the contest.
A.
Mo Cha
B.
Zhu Cha
C.
Pao Cha
D.
Dian Cha