Which combination of monomers produces a condensation polymer with the repeating unit below?

A.     ${{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{COOH}}$ and ${\text{HOC}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH}}$

B.     ${{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{COOH}}$ and ${\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH}}$

C.     ${{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{{\text{(COOH)}}_{\text{2}}}$  and ${\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH}}$

D.     ${{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{{\text{(COOH)}}_{\text{2}}}$ and ${\text{HOC}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH}}$

D