Which of the following were major contributing factors to the

$2008$

$$financial crisis?

$1.$ Deteriorating mortgage underwriting standards

Il$.$ Increasing number of mortgages sold to Fannie and Freddie

IlI. Bond raters under estimating the risk of MBS

A$.$ I and I only

B I, Il and III

C$.$ I and Ill only

D$.$Il and Ill only

Answer B is incorrect