Question: Which of the following pairs of substances would make a good buffer solution?
A: HC2H3O2(aq) and NaC2H3O2(aq)
B: H2SO4(aq) and LiOH(aq)
C: HCl(aq) and KCl(aq)
D: HF(aq) and NH3(aq)
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option.