According to the Policy Trilemma Hypothesis,of the Three Goals Generally

According to the policy trilemma hypothesis,of the three goals generally pursued by policymakers in an open economy,

A) only one of the goals is possible to achieve at any one time.
B) it is possible for a country to achieve two of the goals at the same time, but not all three.
C) it is possible for a country to achieve all three goals at the same time in the short run, but not in the long run.
D) it is only possible for a country to achieve all three goals at the same time in the long run.