The answer is option B: Give a sense of the woman's wistful longing for freedom.
In the poem "DayStar," the author Rita Dove makes reference to the woman's both desire for freedom and the dullness of her repetitive and pointless life. The woman feels trapped in her role as a mother and wife, and the only time she has for herself is when she closes her eyes for an hour in bed and imagines a life without chores and responsibilities.