What is the theory of visceral manifestation?

What is the theory of visceral manifestation?
A.Five zang-viscera, six fu-viscera and extraordinary fu-viscera.
B.Five zang-viscera, six fu-viscera.
C.The physiological functions and pathological changes of viscera and their relationships.
D.The pathogenesis of zang-fu organs.
正确答案：The physiological functions and pathological changes of viscera and their relationships.