Which One of the Following Statements About Standard States Is $\degree$

Which one of the following statements about standard states is incorrect?

A) The standard state of a solid compound is the pure solid.
B) The standard state of a liquid compound is the pure liquid.
C) The standard state of a gaseous compound is the gas at a pressure of 1 atmosphere.
D) The standard state of an aqueous solute is a saturated solution in water.
E) The standard state of an element is the form in which it is stable at 1 atm and a specified temperature, usually 25 $\degree$ C.