38. In humans, the central nervous system consists of the_____, which is housed in the _____and the_____, which is housed in the_____. 
(A) peripheral nervous system; limbs; brain; skull
(B) brain; skull; spinal cord; vertebral column
(C) spinal cord; vertebral column; sensory neurons; limbs
(D) brain; vertebral column; spinal cord; skull

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統計: A(0), B(19), C(6), D(1), E(0) #2735311

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