【单选题】

The primary purpose of the passage is to
A．(A) provide a biographical account of the experimental careers of two prominent neuroanatomists

B．(B) examine the correlation between brain activity and consciousness from a neuroanatomical point of view
C．(C) probe the relationship between philosophical views concerning the existence of the unitary soul and attempts to map the brain
D．(D) compare the successes and failures of two different experimental methods in neuroanatomy
E．(E) explore the genesis and evolution of early neuroanatomical theory of the localization of cognitive function