The vES ending should be added to nouns that end in -f or -fe in their singular form. In that case, the -f or -fe is removed and -ves is added as a plural ending. Examples include: life - lives, wife - wives, knife - knives, wolf - wolves, leaf - leaves. But there are also exceptions, such as belief - beliefs, cliff - cliffs, roof - roofs.
Given that Laertes was never spied on by Polonius, that is the correct answer here. Polonius spied on Hamlet, not Laertes, and he died because of that. Laertes did feel sad about his sister's death, he did confide in Claudius, and he did grieve the loss of his father, Polonius.
1. Tybalt
2. F<span>oreshadowing</span>
3. Queen Elizabeth
4. the Globe theater
5. the Five-act play
Out of those three, the best choice would be C