Which of the following statements is false?
a. Each cell in a GridPane can be empty or can hold one or more JavaFX components, including layout containers that arrange other controls.
b. Each component in a GridPane can span multiple columns or rows.
c. A TextField (package .control) can accept text input or display text.
d. A Slider (package .control) represents a value in the range 0.0-1.0 by default and allows the user to select a number in that range by moving the Slider's thumb.