Answer:
As a literary genre, Naturalism (started in late 19th century) highlights the idea of the environment (nature) defining the human character, in this genre the environment is generally used to intensify nature's capriciousness.
The irony in this excerpt is clear and it magnifies how ruthless and impassive nature is, so "the cook" in order to convey the contempt goes sarcastic and praises the weather displaying the crew's helplessness; that's why option (3) "They show the ironic bitterness..."
is the one that fits the most.
Explanation: