Did the experiment find any differences____whatchildren have learned?     [ ]

A. in terms of                  

B. in case of    

C. in the hope of              

D. in time of

药物作用机制与下列因素有关()

A．改变细胞周围理化性质

B．改变药物的剂型

C．改变药物的代谢

D．补充机体所缺乏的物质

E．影响神经递质或激素