【单选题】

Which of the following best describes the function of the last paragraph in relation to the passage as a whole
A．(A) It summarizes the benefits that may accrue from a perfected system of pathological taxonomy.

B．(B) It provides additional reasons why pathological taxonomy is a difficult endeavor.
C．(C) It argues for a synthesis of two methods of pathological taxonomy already in use.
D．(D) It continues to highlight the differences between two methods of taxonomical pathological taxonomy.
E．(E) It provides information that points to the eventual abandonment of a particular system of pathological taxonomy.