硫脲类药物的主要副作用是

A．浸润性突眼

B．全血减少

C．甲状腺功能减低

D．粒细胞减少

E．中毒性肝炎

The students all wear the same uniform,so it’s hard for me to  ________my son among them.

A．bring out

B．pick out

C．pick up

D．break out.