下列语句正确的是( )。(本题2.0分)
A. For i=1 To m For j=1 To n Next i Next j
B. For i=1 To m For j=1 To n Next i,j
C. For i=1 To m For j=1 To n Next j,i
D. For i=1 To m While x>0 Next i end
出自:平顶山学院-计算机科学与技术-计算机可视化编程(专升本)