Answer:
B). A cold and nasty winter day.
Step-by-step explanation:
'The Sky Is Low, the Clouds Are Mean' written by Emily Dickinson is one of her most acknowledged poems which details the functioning of nature in relation to human outlook.
As per the question, 'a cold and nasty winter day' is being described through which the poet creates a gloomy mood which is further substantiated by the description 'the sky is low(overcast), the clouds are mean(heavy).' The key idea behind is personifying the nature to provide a human outlook. Therefore, option B is the correct answer.