乌龙茶多用小型紫砂壶冲泡，在用茶量较多（约半壶）的情况下可冲泡（ ）。Oolong tea is mostly brewed in small purple clay pots, which can be brewed when there is a large amount of tea (about half a pot) ( ). A.
1~3次1 ~ 3 times B.
2~4次2 ~ 4 times C.
3~5次3 ~ 5 times D.
4~6次4 ~ 6 times