The author uses very vague and mysterious phrases such as "as the website had promised" and " unlock the door with the key I had been sent.". Because he doesn't reveal who or what sent him/ brought him to that home, we question why he is there and what is going to happen next (Good or Bad). This can be seen in movies too. Typically writers will leave out key information to make us think and wonder. Hope that helped! :))
The sentence that uses correct spelling is the first sentence.
The word sense in line 69 of The Odyssey Part lll means rationality.
I think the answer is B..hopefully this helps ")