Which of the Following Statements Is Not True About Treasury

Which of the following statements is not true about Treasury Inflation-Protected Securities?

A) They are currently sold with 5-, 10-, and 30-year maturities.
B) The amount of principal increases with inflation and decreases with deflation.
C) They pay interest twice a year, at a fixed rate.
D) They can be held until maturity or sold before maturity.
E) Interest income and growth in principal are exempt from federal income tax.