为了使目录路径列表框Dir1的内容符合驱动器列表框Drive1的选择，应当（ ）。
A、在Dir1_Change事件中加入Dir1.Path = Drive1.Drive
B、在Drive1_Change事件中加入Dir1.Path = Drive1.Drive
C、在Dir1_Change事件中加入Drive1.Path = Dir1.Path
D、在Drive1_Change事件中加入Drive1.Path = Dir1.Path

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