The correct answer is A) the fund is not growing as quickly as the funds are being paid out.
A major concern of the Secretary of Treasury has about security revenue is that the fund is not growing as quickly as the funds are being paid out.
The U.S. Secretary of Treasury need to maintain order in the public finances of the nation and a strong economy in order to generate the creation of jobs and the certainty in the economy for the investors to invest their money in the United States. Stability of the finances and economic growth to maintain prosperity are two key functions of the Secretary. That is why a major concern of the Secretary of Treasury has about security revenue is that the fund is not growing as quickly as the funds are being paid out.