Answer:
C
Explanation:
The shadow banking system are non bank financial institution such as investment bank and hedges funds.
The 2007-2009 financial crisis occurred as a result of breakdown of trust and deregulation in the banking system. It affected the commercial banks more as they were forced to rely on mortgages for the profitable sales of derivatives.
Even though the size of the shadow banks declined , yet they remained larger than the commercial banking system after the crisis.