The . . . . . . . . instruction tells the computer to close the current form.

The correct answer is: A. Me.Close()

The Me keyword refers to the current form. The Close() method closes the form.

The other options are incorrect because:

• Close()
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  does not close the current form. It closes the form that is passed as a parameter.
• This.Close() is equivalent to Me.Close().
• Close.this() is not a valid statement in C#.