—Now, where is my school bag?

—_______! We'll be late for school. [ ]

A. Just a minute

B. Take it easy

C. Don't worry

D. Come on

常用的驱汞治疗药物是（）

A.普鲁士蓝

B.前列地尔

C.二巯丙磺钠

D.螯合剂

E.依前列醇