Correct Answer:
C. disastrous collapse
Debacle means a disastrous collapse or failure.
- Correct answer - disastrous collapse: it has the same meaning as Debacle.
- rubble: broken stones - wrong, it does not mean the same as Debacle.
- complication: a factor that makes things harder - wrong, it does not mean the same as Debacle.
- confusion: lack of clarity - wrong, it does not mean the same as Debacle.