The speaker will never see his beloved Lenore again.
It's the last one. we know this because it talks about how even with the smart hands of a scientist, the plan is not completely foolproof, or safe
Disappointed and upset are very similar. If your parents told you you were getting ice cream and then you didn’t, you’d be disappointed, which could also be described as upset.
• He bought a very big birthday cake for his son → It was <u>Delicious</u><u>.</u>
hope it helps you!