Which of the Following Solutions Will Show the Largest Change

Which of the following solutions will show the largest change in pH when
10 mL of 1 M NaOH is added to it?

A) 10 mL of 1 M NaOH
B) 100 mL of water
C) 10 mL of 1 M NaNO₃
D) 10 mL of 0.01 M HOAc
E) 100 mL of 0.1 M HOAc and 0.1 M NaOAc