设有Function过程:Private Function f(a As Integer, b As Integer) As Integera = a * a:
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
正确答案：C
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