The Subordinate clause is "Although the disc was intercepted."
because a subordinate clause is a clause, typically introduced by a conjunction, that forms part of and is dependent on a main clause. And that is why subordinate clauses are also dependent clauses.
It won’t let me open the link I’m not sure why
I believe the answer to this is letter D because since he did not listen to the man, he is traveling alone in the Yukon and he is now suffering the consequences. It is possible that it could be letter C because he never learned how to build a fire quickly and he was not prepared, even if the old man warned him about the dangers of the Yukon. Hope this helps:)