The Global Recession Following the Financial Crisis Hurt the Weaker

The global recession following the financial crisis hurt the weaker Eurozone debtor economies more because:

A) their central banks, backed by ECB lending, had lent based on expected high returns to investment that did not materialize.
B) their governments had to pull out of the euro.
C) their exchange rates depreciated.
D) they had to cut their military forces to balance their budgets.