Which of the following are weak acids in aqueous solution?

I.     \({\text{C}}{{\text{H}}_{\text{3}}}{\text{COOH}}\)

II.     \({{\text{H}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\)

III.     HCl

A.     I and II only

B.     I and III only

C.     II and III only

D.     I, II and III

A