The Government of Canada Promises to Produce More Defence Goods

The Government of Canada promises to produce more defence goods without any decrease in the production of other goods.This promise is valid

A) only if the PPF shifts rightward.
B) if Canada is producing at a point on its PPF.
C) only if technology advances or capital increases.
D) if Canada is producing at a point inside its PPF.
E) if Canada is producing at a point outside its PPF.