The Following Pictures Represent Solutions of AgCl,which May Also Contain

Multiple Choice

The following pictures represent solutions of AgCl,which may also contain ions other than Ag⁺ and Cl^- which are not shown.Gray spheres represent Ag⁺ ions and dotted spheres represent Cl^- ions.
-If solution (1) is a saturated solution of AgCl,which of solutions (1) -(4) represents the solution after a small amount of AgNO₃ is added and equilibrium is restored?

A) (1)
B) (2)
C) (3)
D) (4)