The correct answer is: A. Text box.
A text box is a graphical control element (widget) in a graphical user interface (GUI) that allows the user to enter text. Text boxes are typically used to enter data into a form, such as a name, address, or email address.
A button is a graphical control element that is used to initiate an action. Buttons are typically used to submit a form, play a sound, or open a file.
An edit box is a type of text box that allows the user to edit the text that is currently entered. Edit boxes are typically used to enter long pieces of text, such as a paragraph or a list of items.
A label is a graphical control element that is used to provide information about another element in a GUI. Labels are typically used to provide the name of a button, text box, or other element.