I believe that the description that fits the mood expressed in this excerpt best is B. afraid of this storm because it is one of the worst of all he has experienced.
He says that he has experienced many storms, but that none of them were anything like the one he is experiencing at this moment, and so he is afraid of it.
If the underlined pronoun is who, then the answer is C) subject. If the underlined pronoun is you, then the answer is indirect object.
The misplaced modifer is in answer C: She called for help at the top of her voice, not the corner.
