Answer:
I can't really help you do you have a link to the specific book or no.
Explanation:
D is the answer. "Because they were penniless" is a subordinate clause. "Because" is a subordinating conjunction.
The answer is the last one, which is "Transforming disaster into opportunity-did you hear what happened?- has made him a hero". As you can see transforming disaster into opportunity has made him a hero is a sentence by itself. "Did you hear what happened?" Is just extra info that goes between dashes.
Absence are excuse for school