There's three different types of irony:
situational irony- an unexpected twist occurs at the end of the story
verbal irony- sarcasm
dramatic irony- the reader knows something that one of the characters do not
I would say that the name "Ship-Trap Island" is dramatic irony because the reader can infer that the main character will be trapped on an island, but the main character has no idea that he will soon be trapped on the island and hunted.
It is a logical process, that will begin at the top and work it's way down. A conclusion is based and many different theories that are usually assumed to be true or correct.
The fragment that is made up of a complete predicate is option A. "could not be heard above the voices in the hallway"
In grammar, the predicate is defined as the part of the sentence that contains the verb and gives information about the subject.
Option A is the only option that contains a verb, in this case "could" and it is providing information about a subject we don´t know. The only options lack verbs,
English: I wanted to go outside but it's too cold.
Spanish: Quería salir pero es demasiado frío.
This could be either present or past tense however i feel as though it is present
