Hướng dẫn :

${{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}+n{{H}_{2}}O\xrightarrow[{{t}^{o}}]{Axit}n{{C}_{6}}{{H}_{12}}{{O}_{6}}$

${{C}_{12}}{{H}_{22}}{{O}_{11}}+{{H}_{2}}O\xrightarrow[{{t}^{o}}]{{{H}^{+}}}{{C}_{6}}{{H}_{12}}{{O}_{6}}+{{C}_{6}}{{H}_{12}}{{O}_{6}}$

${{C}_{6}}{{H}_{12}}{{O}_{6}}\xrightarrow[ruou,{{t}^{o}}]{men}2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}$

                      $\Rightarrow $ Chọn đáp án D.