Consider a Closed Container Containing a 1

Consider a closed container containing a 1.00 M solution of aqueous HCl at 298 K.Above the solution, air containing both water vapor and HCl gas at their equilibrium vapor pressures exerts a total pressure of 1.00 bar.Which of the following is/are in their thermodynamic standard state?
I.the liquid water
II.the HCl solution
III.the water vapor

A) I only
B) II only
C) III only
D) I and II only
E) I, II, and III are all in their standard state.