---How are you         with your new classmates?

---We often help each other.

A．getting along well

B．got along

C．getting along

D．got along well

下列关于注射剂的作用叙述正确的是

A．有些注射剂可以产生局部定位的作用

B．可以应用于不能口服给药的病人

C．有些注射剂可以用于疾病诊断

D．有些注射剂具有延长药效的作用

E．作用迅速，易于控制