The answer is: “snow-white feet”
In the poem "Down by the Salley Gardens," the author William Butler Yeats helps visualize the scene of a petite and virtuous girl walking through the garden full of willow trees. There she meets the narrator and suggests that he does not hurry things. In the end, he later regrets not taking her advice.
The correct answer is C: Conforming to society. Thoreau developed a set of postures - under the name of "<em>Self Reliance</em>" - that explained how an individual's existence can be only be lived to the fullest if he has absolute confidence in his abilities and the utmost trust in himself, while confining into a life away from society. One of his main arguments was the fact that common folks spend too many resources (money, time, effort, etc) trying to adapt to society's patterns like fashion, hindering them from growing a strong self-developed sense of taste or giving the proper value to its voice and individuality.
I'm pretty sure it's the last one; Everyone was having a wonderful time at the party, because the present tense helps it feel more active.