-You have got three dictionaries, don’t you ?

- Yes, I bought one.______ two were presents from my parents.

A．The others

B．The other

C．Another

D．Other

治疗先天性甲状腺功能减低症用甲状腺片治疗开始剂量（mg/d），下列哪项是正确的（）

A.1～5

B.5～10

C.10～15

D.15～20

E.20～25