Final answer:
In Robert Frost's poem 'Bereft,' he finds himself in his home left only with his thoughts and memories. Therefore, the correct option is 1.
Step-by-step explanation:
In Robert Frost's poem 'Bereft,' he finds himself in his home left only with his thoughts and memories. Frost explores the theme of loss and loneliness as he reflects on the absence of his loved ones and the fleeting nature of possessions. The poem suggests that in the face of adversity, what remains are the intangible aspects of one's life, such as memories and emotions.