The answer should be either A or D if that narrows it down for you!
Thoreau mostly uses imagery to illustrate time in the excerpt. The second sentence is saying that he is in the midst of time/living, and he can "detect how shallow it is," meaning that he is aware that life is short and that the end is inevitable. Thoreau also describes time as being fleeting, but ever-present.
I hope this helps!
Answer: B. Adam was formed by a loving creator, whereas the monster was formed by a careless creator.
As the monster gains consciousness and knowledge, he comes to hate his fate more and more. He sees himself as cursed, and feels sorry about the fact that he was ever created. Moreover, he compares himself to Adam, the first man, because he is the first creature of his kind. However, this makes him even more miserable, as he thinks that Adam was created by a loving creator, while the creature was created by a careless creator.
Love of nature I think is one of them