If a Keynesian Economist Were Asked to Make a Statement

If a Keynesian economist were asked to make a statement about the relationship between the government and the economy,what might she say?

A) "Government intervention is the only solution for economic problems."
B) "It is never a good idea for the government to intervene in the economy."
C) "The government's only role is to provide defense and protect property rights."
D) "The government should be primarily concerned with public safety and health."
E) "Government intervention in the economy is sometimes necessary."