試題詳解

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