Which graph would be obtained by adding ${\text{0.10 mol}}\,{\text{d}}{{\text{m}}^{ - 3}}{\text{HCl(aq)}}$ to ${\text{25 c}}{{\text{m}}^{\text{3}}}$ of ${\text{0.10 mol}}\,{\text{d}}{{\text{m}}^{ - 3}}{\text{NaOH(aq)}}$?

B