Which of the Following Was a Major Problem with Subprime

Which of the following was a major problem with subprime mortgages?

A) Housing costs remained low, making home ownership unattractive .
B) The risk of defaults on these mortgages was higher .
C) These mortgages were rarely offered by banks .
D) The mortgages were limited to only the wealthiest borrowers .
E) Banks made little money off of them, causing them to raise other fees .