Suppose the Stock of Government Debt in Canada at the End

Suppose the stock of government debt in Canada at the end of fiscal Year 1 is $475 billion.If the stock of debt rises to $482 billion by the end of fiscal Year 2,then we know that during Year 2

A) debt-service payments rose by $7 billion.
B) the government had a primary budget surplus of $7 billion.
C) the government had an annual budget deficit of $7 billion.
D) the government had a primary budget deficit of $7 billion.
E) tax revenues decreased by $7 billion.