PTE Fill in the blanks R/W 4.Financial Crisis

Since the beginning of the financial crisis, there have been two principal ___________ for why so many banks made such disastrous decisions. The first is structural. Regulators did not regulate. Institutions failed to ___________ as they should. Rules and guidelines were either inadequate or ignored. The second explanation is that Wall Street was ___________ , that the traders and investors didn’t know enough, that they made extravagant bets without ___________ the consequences.

Options:
1) explanations, debates, excuses, examples
2) function, use, stabilize, maintain
3) rough, rampant, incompetent, irresponsible
4) counting, understanding, correcting, valuing