He sent me a bunch of flowers and I sent him a basket of fresh apples ________.[ ]

A. in charge  

B. in return  

C. in turn  

D. in advance

属于自主神经功能检查的是（）

A.眼心反射

B.卧立位试验

C.轮替动作

D.指鼻试验

E.跟-膝-胫试验