Question

Read the passage from "To Build a Fire."

Answer 1

He has shown no signs of most of these , so i day D.

Answer 2

Well, it says that the man decided to celebrate by eating his lunch there. Just based on the info in the passage, if you're celebrating, you clearly don't feel a negative emotion. He's not sad, depressed or angry, because he's celebrating.

The only positive feeling here is D, optimism. 
I hope this helps ^^