A good presentation is made by having a good speech to go along with your visuals, and speaking in a loud and clear voice that everyone can understand, and having true, and clear facts and information.
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The answer is c. because they are being warned. the others have either periods or question marks.
The final lines of the poem actually show that he has given up and has lost all hope where he says
<span><span>And the lamp-light o'er him streaming throws his shadow on the floor: </span><span>And my soul from out that shadow that lies floating on the floor </span><span> Shall be lifted—nevermore!
The narrator's soul will never recover from the loss.</span></span>