医院药学人员和护士间的交往主要以（）工作为重心。
A.解释性
B.指示性
C.探讨性
D.命令性
参考答案：A
— Did you ask Sophia for help?
— I ________ need to-I managed perfectly well on my own.[ ]
A. wouldn't
B. don't
C. didn't
D. won't
起步前，需做哪些工作？
