Final answer:
Most general ledger accountants are certified public accountants.
Step-by-step explanation:
Of the options provided, the true statement about general ledger accountants is that most of them are certified public accountants. While a license may be required for this position depending on the jurisdiction, it is not a universal requirement. Experience in management is not necessarily required for general ledger accountants, and having a master's degree is also not a common requirement. Therefore, option A is the correct answer.