I’m pretty sure it is Shelly’s point of view himself, hope this helps!
The answer is B, The relative pronoun is that; it functions as part of the adverb clause.
<span>not influenced by personal feelings or opinions in considering and representing facts.</span>
I believe it is the introduction which should be relatively brief. You shouldn't prolong it too much, because the emphasis should be put on the main part of your speech, and not so much on the introduction.
According to the excerpt I was able the found the correct answer would be "<span>But I am beginning now to fear that I must wait a lifetime". The narrator states that he waited because he wanted to hear even a stranger story than the last one but he also later states the fears he will wait all his life for as it had been three years since the time traveler left.
</span>