Option 1 -> Melancholy suggests sadness or depression, but the stranger's actions are urgent and forceful rather than sorrowful.
Option 2 -> Optimism implies hopefulness or cheerfulness, which contradicts his desperate and irritable demeanor.
Option 3 -> Annoyance is reflected in his actions: flinging his portmanteau down, stamping his feet, and making urgent demands ("A fire, in the name of human charity!").
Option 4 -> Amusement means finding something entertaining, but nothing in his behavior suggests he's enjoying the situation.
Hence, Option 3: annoyance -> The stranger's mood is clearly one of irritation and frustration, demonstrated through his physical actions (flinging, stamping) and his urgent, demanding tone when seeking shelter from the harsh weather. His behavior shows impatience and displeasure rather than any other emotion. -> correct