The correct option is A The rise in oil prices, the flux in the global balance of power and historical precedents should make us question our belief that the global economic prosperity would continue
Option (B) is too narrow in its scope. Option (C) is too wide in its scope; it is too generic in nature. Also, the rise in oil prices represents one the author's key argument and helps support his view that we need to question our belief that the global economic prosperity would continue.