[单项选择]What's the relations between the speakers


A. Friends.
B. Colleagues.
C. Husband and wife.
D. Landlord and tenant.

#include <reg51.h>

Unsigned char code tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd};

Void delay()

{

Unsigned int i,j;

For(i=100;i>0;i--)

For(j=200;j>0;j--)

;

}

Void main()

{ unsigned char i;

While(1)

{

For(i=0;i<14;i++)

{

P1=tab[i];

Delay();

}

}

}