You can ask him again if you like, but it won't make any ______-he'll still say no.[ ]

A. mistake 

B. decision

C. contribution  

D. difference

肺泡蛋白沉着症（）

A.双肺弥漫分布的毛玻璃影

B.双肺广泛类圆形小肿块影

C.双肺大片状影，呈"地图样改变"

D.双肺近肺门分布的斑片状影

E.双下肺近胸膜分布的蜂窝肺