Explanation
A. The passage does not indicate that current science is unresolved on the ability of humans to survive on raw food. It rather suggests that there are specific conditions under which humans can sustain on raw food.
B. (Correct Response) The passage provides evidence supporting the biological adaptation of humans to cooked food. It discusses the theoretical obstacles to living on raw food in the wild today and suggests that cooking is "normally obligatory" due to the evolutionarily constrained diet humans have adapted to, which is not just a habit but a biological necessity.
C. Although the passage discusses the reduction of human tooth and jaw size, it does not state that this is the main point of the passage, but rather one of the evolutionary changes associated with dietary habits.
D. The passage mentions that there is evidence of hominid use of fire and cooked food dating back 250,000 years, but it does not state that this is the central theme of the passage.
E. The passage suggests that special biological adaptations were indeed necessary for humans to eat cooked food, such as changes in digestive anatomy and tooth and jaw size, and it argues against the view that no special adaptations were required.
The passage supports the claim that humans are biologically adapted to cooked food, pointing out the significant evidence of evolutionary adaptations that make cooked food necessary for human survival and efficient energy use.