This is the ________ time in ________ days that Tommy has come to school late．

A．second；third

B．two：three

C．two；third

D．second；three

处方中树脂类、胶类药材所占比例较大，制蜜丸时宜选用（）

A.嫩蜜，温蜜和药

B.中蜜，温蜜和药

C.中蜜，热蜜和药

D.老蜜，热蜜和药

E.老蜜，温蜜和药