急性心包炎胸痛的特点是（）

A.前俯位时加重

B.前俯位时减轻

C.随积液的增多而加重

D.疼痛不放射到其他部位

E.深呼吸时减轻

-Thanks for your help.What shall I do for you________？

-You would have done the same if you were me.[ ]

A．in order  

B．in return  

C．in vain  

D．in advance