Which of the following most accurately presents the passage's treatment of Katz's position? A. The position is rejected as relying too heavily on unsubstantiated assumptions. B. The position is considered sympathetically but ultimately rejected as too sweeping. C. The position is put forward as a compelling hypothesis that stands in need of testing. D. The position is adopted in modified form after being adjusted to meet objections. E. The position is accepted without reservation and cited as authoritative support.