Answer:
The significance of Jack's mask in chapter 4 of Lord of the Flies is that it allows him to feel liberated from "shame and self-consciousness" as he embraces his savage nature without guilt or embarrassment. Hidden behind his clay mask, Jack is free to behave like a primitive, bloodthirsty savage.
A dependent clause adds something to a sentence but cannot be a standalone sentence, hence "dependent." In this sentence, "when I had... phone" is a dependent clause.
Answer:
A. Whenever you make a promise, you need to keep it
Theseus' actions most advance the development of the plot.