Which One of the Following Statements Is True

Which one of the following statements is true?

A) Countries where investment is relatively productive should be net importers of current output.
B) Countries where investment is relatively unproductive should be net importers of current output.
C) Countries where investment is relatively productive should be net exporters of current output.
D) Countries where investment is relatively productive should not export or import current output.
E) Countries where investment is relatively unproductive should invest at home.