设有Function过程: Private Function f(a As Integer, b As Integer) As Integer a = a * a: b = b * b f = CInt(Sqr(a - b)) End Function 则如下程序段的运行结果是( )。 Private Sub Command1_Click() Dim X As Integer, Y As Integer X = 5: Y = 4 a = f(X, Y) Print a End Sub
A.
5
B.
4
C.
3
D.
9
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【单选题】Every time I take part in a friend’s big party. I always go to talk to those who just sit alone so that they don’t feel_____.