单选题

在窗体上先后画2个图片框，名称分别为Picture1和banana,banana中添加了香蕉图片（见图1），且将 banana.DragMode属性设置为1。要求程序运行时，可以用鼠标把banana拖拽到Picture1中（见图2）。能实现此功能的事件过程是 ( )

Question

A. Priate Sub Form_DragDrop(Source As Control,X As Single,Y As Single banana.Move Picture1.Left+X,Picture1.Top+Y)
End Sub

B. Private Sub banana _DragDrop(Source As Control,X As Single,Y As Single )
Source.Move Picture1.Left+X.Picture1.Top+Y
End Sub

C. Private Sub Picture1_DragDrop(Source As Control,X As Single,Y As Single )
Source.Move Picture1.Left+X.Picture1.Top+Y
End Sub

D. Private Sub Picture1_DragDrop(Source As Control,X As Single,Y As Single )
banana.Move banana.Left+X, banana.Top+Y
End Sub