有如下程序：

Private Sub Command1_Click（）

Fo rj=1 To 10

a=a+j/7

Next j

Print a

End Sub

在运行时输出a的值是（）

[单选题]有如下程序:Private Sub Command1_Click()a$="A WORKER IS HERE"x=Len(a$)F．or i=1 To x - 1b$=Mid$(a$, i, 3)If b$="WOR" Then S=S + 1NextPrint SE．nd Sub单击命令按钮，程序运行结果为A．1B．2C．3D．5

[单选题]有如下程序：Private Sub Command1_Click()a$="A WORKER IS HERE"x=Len(a$)F．or i=1 To x-1b$=Mid$(a$，i，3)If b$="WOR"，Then S=S+1NextPrint SE．nd Sub单击命令按钮，程序运行结果为AA．1B．2C．3D．5

[单选题]有如下程序。Private Sub Command1_Click()D．im a As SingleD．im b As Singlea=5: b=4C．all Sub1(a, b)E．nd SubSub Sub1(x As Single, y As Single)t=xx=t / yy=t Mod yE．nd Sub在调用运行上述程序后,a和b的值分别为A．0 0B．1 1C．2 2D．1 2

[单选题]有如下程序： Private Sub Command1_Click() a$="A WCIRKER IS HERE" x=Len(a$) For i=1 To x-1 b$=Mid$(a$,i,3) If b$="WOR"Then S=S+1 Next Print S End Sub 单击命令按钮，程序运行结果为A．1B．2C．3D．5

[单选题]有如下程序： Private Sub Command1_Click() Dim a As Single Dim b As Single a=5:b=4 Call Sub1(a,b) End Sub Sub Sub1(x As Single，y As Single) t=X X=t/Y Y=t Mod y End Sub 在调用运行上述程序后，a和b的值分别为A．0 0B． 1 1C．2 2D．1 2

[单选题]有如下程序： Private Sub Command1_Click() as="A WORKER IS HERE" x = Len(a$) For i=1 To x - 1 b$ =Mid$(a$, i,3) If b$ ="WOR" Then S=S+ 1 Next Print S End Sub 单击命令按钮，程序运行结果为A．1B．2C．3D．5

[单选题]有如下程序： Private Sub Command1_Click( ) a$="A WORKER IS OVER THERE" x=Len(a ＄) For i=1 To x-1 b$=Mid $(a $，i，2) If b $="ER"Then s=s+1 Next i Pdnt s End Sub 程序运行后的输出结果是A．1B．2C．3D．4

[单选题]有如下的程序。Private Sub Command1_Click()D．im k As Integer, m As IntegerD．im P As Integerk=4: m=1P=Fun(k, m) : Print P;P=Fun(k, m) : Print PE．nd SubPrivate Function Fun(a As Integer, b As Integer)Static m As Integer, i As Integerm=5: i=2i=i + m + 1m=i + a

[单选题]有如下程序。Private Sub Command1_Click()D．im k As Integer, m As IntegerD．im op As Integerk=4: m=1op=PPC(k, m) : Print op;op=PPC(k, m) : Print opE．nd SubPrivate Function PPC(a As Integer, b As Integer)Static m As Integer, i As Integerm=0: i=2i=i + m + 1m=i

[单选题]设有如下程序 Private Sub Command1_Click() Dim sum As Double, x As Double sum=0 n=0 For i=1 To 5 x=n/i n=n+1 sum=sum +x Next i End Sub 该程序通过For循环来计算一个表达式的值，这个表达式是______。A．1+1/2+2/3+3/4+4/5B．1+1/2+1/3+1/4+1/5C．1/2+2/3+3/4+4/5D．1/2+1/3+1/4+1/5