10个数，前3个数变为1，其他变为0,把语句补充完整y<-x<-c(1:10)for (i in 1:10) { if( ) y[i]=1 else y[i]=0 }print(y)

A、x[i]== 1
| x[i]== 2
| x[i]== 3;

B、x[i]== 1
& x[i]== 2
&
x[i]== 3;

C、x[i]== 1
! x[i]== 2
! x[i]== 3;

D、x[i]== 1
&& x[i]== 2
&&
x[i]== 3