Answer:
<em>B </em><em>Terror and Fear</em>
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as the paragraph mentions
*ahem*<em> "groan of mortal terror. It was not a groan of pain or of"</em>
and <em>"echo, the terrors that distracted me. I say I knew it" </em>
shall hint to the reader the <em>idea of this passage</em>
this will remove A <em>Upbeat ending </em>as a correct option
reading the full passage at the half/end, It doesn't seem as a life or death so we can also remove <em>D </em><em>life or death</em> as an option it may see, that way but it doesn't really give us a sight of death or live blossoming
and <em>C </em><em>a unsolved mystery</em>
doesn't appear to be one, it may give us that thought at the beginning
but it mentions <em> "I knew what the old man felt, and pitied him,"</em>
which should say we k<em>now it's no mstyery</em>
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