The Hurricane Katrina Disaster Highlighted Which of the Following to Americans

The Hurricane Katrina disaster highlighted which of the following to Americans in 2005?

A) That poverty continued to be an unresolved issue.
B) That natural disasters would not hit them again for centuries.
C) That the national government was ready to respond quickly in case of disaster.
D) That racial segregation was an issue of the past.
E) That people could not rely on the benevolence of their neighbors.