单项选择题

下列程序段的执行结果为
For X=5 To 1 Step -1
  For Y=1 To 6-X
   Print Tab(Y+5);"*";
  Next
  Print
Next

A.*****
****
***
**
*
B.*****
****
***
**
*
C.*
**
***
****
*****
D.*
***
*****
*******
*********