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，如图1所示，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，如图2所示。能实现此功能的事件过程是______。

图1

图2

A．Private Sub Form_DragDrop(Source As Cornrol, X As Single, Y As Single)banana.Move Picture1.Left+X, Picture1.Top+YEnd Sub
B．Private Sub banana_DragDrop(Source As Control, X As Single, Y As Single)Souree.Move Pimure1.Left+X, Pieture 1.Top+YEnd Sub
C．Private Sub Picture1_DragDrop(Source As Control, X As Single, Y As Single)Source.Move Picture1.Left+X, Picture1.Top+YEnd Sub
D．Private Sub Picture1_DragDrop(Source As Control, X As Single, Y As Single)banana.Move banana. Left+X, banana.Top+YEnd Sub