在窗体上先后画两个图片框，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拖曳到Picttne1中(见图2)。能实现此功能的事件过程是______。

A．Private Sub Form_DlagDrop(Source As Control,X As Single,Y As SinglbananMove Picture1.Left+X,Picture1.Top+Y End Sub

B．Private Sub banana_DragDrop(Source As Control,X As Single,Y As SinglSourcMove Picture1.Lefi+X,Picture1.Top+Y End Sub

C．Private Sub Picture1_DmgDrop(Source As Contro1,X As Single,Y AS SinglSourcMove Picture1.Left+X,Picture1.Top+Y End Sub

D．Private Sub Picture1_DragDrop(Source As Control,X As Single,Y As SinglbananMove bananLet+X,banaTop+Y End Sub

给水泵的任务是将除过氧的饱和水，提升至一定（）后，连续不断地向（）供水，并随时适应锅炉对给水量的变化。