Which of the Following Statements Is Most Correct

Which of the following statements is most correct?

A) Marketable government securities are those securities that cannot be transferred to other persons or institutions and can be redeemed only by being turned in to the U.S.government; the United States must rely on the willingness of foreign and international investors to hold a substantial portion of the outstanding interest-bearing public debt securities issued to finance the national debt. Don't need essay answers in a multiple choice item
B) Nonmarketable government securities are those securities that can be transferred to other persons or institutions and can be redeemed only by being turned in to the U.S.government; the United States must rely on the willingness of foreign and international investors to hold a substantial portion of the outstanding interest-bearing public debt securities issued to finance the national debt.
C) Nonmarketable government securities are those securities that cannot be transferred to other persons or institutions and can be redeemed only by being turned in to the U.S.government; the United States must rely on the willingness of foreign and international investors to hold a substantial portion of the outstanding interest-bearing public debt securities issued to finance the national debt.
D) Nonmarketable government securities are those securities that cannot be transferred to other persons or institutions and can be redeemed only by being sold in the secondary market; the United States must rely on the willingness of foreign and international investors to hold a substantial portion of the outstanding interest-bearing public debt securities issued to finance the national debt.
E) none of the above