Suppose the net capital outflow from France is negative. An implication is that: the real interest rate in France is high B. foreigners are not...

Suppose the net capital outflow from France is negative.  An implication is that:

A.  the real interest rate in France is high

B.  foreigners are not interested in buying assets in France

C.  the citizens of France are investing more in foreign assets than foreigners are investing in assets in France

C.  the real interest rate in foreign countries is higher than in France

(Please give a brief explanation for your answer.  Thank you!)