执行VB语句s=Mid("abcdefgh",2,3)+chr(66)后，变量s的值为(    )

A．"cdB"

B．"bcd65"

C．"cdA"

D．"bcdB"

VB表达式  len(mid(“happy new year 2016!”,6,4)的计算结果（   ）

A．4

B．5

C．6

D．10

有如下Visual Basic程序段：
Dim a(1 To 7) As Integer, i As Integer, j As Integer, k As Integer, c As Integer
a(1) =" 3:" a(2) =" 9:" a(3) =" 1:" a(4) =" 5:" a(5) =" 8:" a(6) =" 6:" a(2) = 2
s = ""
For i =" 1" To 3
For j =" i" + 1 To 7
If a(j) < a(i) Then
k =" a(j):" a(j) =" a(i):" a(i) = k
c =" c" + 1
End If
Next j
s =" Str(a(i))" + s
Next i
text1.Text =" Str(c)" & “:” & s
该程序段运行后,文本框Text1中显示的内容是

A．5:6 8 9

B．3: 9 8 6

C．3:1 2 3

D．5:3 2 1

下列表达式的运算结果不等于8的是（   ）

A．Len("2019选考")+Sqr(4)	B．Abs(Int(-7.8))
C．Val(Mid("789",2,1))	D．Asc("M")-Asc("e")

在VB中，表达式100 \ 12 mod 3的值为（  ）

A．0

B．2

C．50

D．1