设已经在窗体上添加了一个通用对话框控件CommonDialog1，以下正确的语句是

A．CommonDialog1.Filter=ALLL Files|*.*|Pictures(*.Bmp)|*.Bmp
B．CommonDialog1.Filter"ALLL Files"|*.*|"Pictures(*.Bmp)"|*.Bmp
C．CommonDialog1.FilterALLL Files|*.*|Pictures(*.Bmp)|*.Bmp
D．CommonDialog1.Filter"ALLL Files|*.*|Pictures(*.Bmp)|*.Bmp"