Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution

Compounds which are more acidic then $\mathrm{H}_{2} \mathrm{CO}_{3}$, gives $\mathrm{CO}_{2}$ gas on reaction with $\mathrm{NaHCO}_{3} .$ Compound $\mathrm{B}$ i.e. $\mathrm{Benzoic}$ acid and compound $\mathrm{C}$ i.e. picric acid both are more acidic than $\mathrm{H}_{2} \mathrm{CO}_{3}$.