—What do you think of living______ in a big flat?  

—I think I will feel______.    [ ]

A. on your own; alone  

B. by yourself; lonely  

C. alone; by yourself

D. lonely; alone

下面程序的运行结果为【 】。　　# include ＜iostream．h＞　　void fun(int x=0，int y=0)　　{　　　　cout ＜＜ X ＜＜ y；　　＝　　void main(　)　　{　　　　fun(5)；　　}