What is a possible reason for devaluations? Select a Choice Below current question choices OptionA Devaluations occur because the central bank runs persistent balance of payments deficits and is about to run out of foreign exchange reserves. OptionB Devaluations occur because the central bank runs persistent balance of payments surplus. OptionC Devaluations occur because the central bank has excess foreign exchange reserves. OptionD Devaluations occur because the central bank is unable to meet the demand for money in the economy