What is the conjugate base of \({{\text{H}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\) according to the Brønsted-Lowry theory?

A.     \({\text{CO}}_{\text{3}}^{{\text{2}} - }\)

B.     \({\text{HCO}}_{\text{3}}^ - \)

C.     \({{\text{H}}_{\text{3}}}{\text{CO}}_{\text{3}}^ + \)

D.     \({\text{C}}{{\text{O}}_{\text{2}}}\)

B