Sentence (A) is written correctly. When a subject consist of Neither…..nor…, a singular verb is needed if the last noun is singular.
In sentences (B), the correct verb is “was” and in sentence (C) the correct verb should be “is”.
D is an example of sarcasm. Tim's clearly still after school so he gave an obvious answer to an obvious question and that's known as sarcasm.
Homeostasis is the body's ability to stay relatively stable.The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose.
The whole poem talks about the speaker's description of the serenity and peace of the Lake Isle of Innisfree. In the poem, the aspects of modern life that the speaker likely wishes to free himself seems to be the hustle and bustle of the city. He/she wanted to find peace and quiet by going to the Lake.