I think its a reference but i might be wrong
When writing a sentence, you will have a main idea, and you may also have a subordinate idea, a clause that has less importance than the main idea. Subordinate ideas, sometimes called a subordinate clause or a dependent clause, can help you prove or establish the importance of the main idea in your sentence. Knowing how to identify a subordinate idea will help you strengthen your writing skills.
Answer:
B."The forest seemed interminable; nowhere did he discover a break in it, not even a woodman's road."
Explanation:
Forseshadowing is when you let the reader see something that is going to happen later in the story with different ways of leaving clues so the reader is able to see it coming, they could be bi signals, or using prophecies, or by the context given, in this case the author is using the description of the forest to foreshadow the fate of the protagonist.