---I think sometimes watching TV will cause visual pollution to the teenagers．

---_________．

A．Good idea!

B．The same to you

C．With pleasure

D．I can’t agree with you more

以下程序运行后的输出结果是 【20】 。
#include ＜stdio.h＞
main ( )
iht x=0210; printf("%x \n" ,x);