______side of the street is lied with different shops, _______ of which sell electronic products.

A．Both; both

B．Either; all

C．Neither; either

D．Either; both

设计窗体时双击窗体的任何位置，将打开( )。

A．窗口设计器

B．代码窗口

C．工具箱窗口

D．属性窗口