The Following Pictures Represent Solutions at Various Points in the Titration

Multiple Choice

The following pictures represent solutions at various points in the titration of a weak acid HA with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A^- ions.(K⁺,H₃O⁺ initially present,OH^- initially present and solvent water molecules have been omitted for clarity) .
-Which picture represents the solution before the addition of any KOH?

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