What does Hamlet mean when he says "It's fun to see the solider blown to bits with its own bomb"? in act 3

What is a synonym for the word anguish based on the context in which the word appears in this line from james joyce's "araby"? gazing up into the darkness i saw myself as a creature driven and derided by vanity; and my eyes burned with anguish and anger. a. distrust b. torment c. sarcasm d. isolation e. ferocity