Which of the Following Is Not a Difference Between Budgeting

Which of the following is not a difference between budgeting in states as opposed to budgeting in the federal government?

A) Many states prepared biennial budgets and the federal government prepares an annual budget.
B) Many states pass a single appropriation / budget law and the federal government normally passes more than ten such bills or at least is expected to) .
C) Many states require a balanced budget each year and the federal government does not.
D) Most states provide pensions for their career employees and the federal government only requires that its employees participate in Social Security.