有如下一段程序：sEt tAlk oFF Ay="hEllo worlD!" By="x" Cy=AsCBy)+1 Dy=30 Ey=ChrDy*2+5)+ChrCy) Ey=&Ey "&Ey."sEt tAlk onrEturn执行该程序后，屏幕显示的结果为
A、Ay
B、By
C、hEllo worlD!
D、程序出错