Refer to the Following Formula: (∀X)[(Ex $\lor$ Fx) ⊃ (Gx • Hd)]
-Which of the Following Variables

Multiple Choice

refer to the following formula: (∀x) [(Ex $\lor$ Fx) ⊃ (Gx • Hd) ]
-Which of the following variables in the formula are free?

A) The x that follows the E.
B) The x that follows the F.
C) The x that follows the G.
D) All of the above.
E) None of the above.