This is religion belief. Body is real and spirit are not. your life have meaning and you make that meaning. Good luck with find a warrant for being.
The only article among these options is an, and that is the correct answer - <em>an </em>is the indefinite article.
It, her, and that are pronouns.
The answer is <span>the </span>speaker<span> needs someone to whom she </span>can<span> pose her questions.</span>