Same thing is happening to me :/

The stimulus says that navigation is defined as an animal's ability to find its way from unfamiliar territory to points familiar but BEYOND the immediate range of the animal's senses.

I feel like E weakens this argument by suggesting that polar bears are able to navigate back home within their immediate sense of smell to scent out familiar territory. This is not BEYOND their sense of smell, so therefore, aren't they using something other than navigation defined in the first sentence?

Can someone please help me understand how this AC is wrong?

For Q 27, I chose B because the author states in the last paragraph "That neither proposal was able to envision a system of education that was fully equal for women, and that neither was adopted into law even as such, bespeaks the immensity of the cultural and political obstacles to egalitarian education for women at the time."

The author points out in the passage that the proposals had incomplete views of equality which led me to think the author would most likely agree that they were fundamentally unethical. Is that wrong because assuming the author thinks the proposals were unethical is too strong an assumption?