Ag₂SO₄(s) Is in Equilibrium with Silver and Sulfate Ions in Solution

Ag₂SO₄(s) is in equilibrium with silver and sulfate ions in solution:

Ag₂SO₄(s) 2Ag⁺(aq) + SO₄^2-(aq)
Which of the following will not increase the amount of solid Ag₂SO₄(s) present?

A) boiling off some of the water
B) adding Na₂SO₄ to the solution
C) adding AgNO₃ to the solution
D) adding NaCl to the solution
E) All of the above will increase the amount of Ag₂SO₄ present.