Assuming the same coupon rate and maturity length, when the interest rate on a Treasury Inflation Indexed Security is $3$ percent, and the yield on a nonindexed Treasury bond is $8$ percent, the expected rate of inflation is

A $5$ percent.

B $3$ percent.

C $11$ percent.

D $8$ percent.

A $-5$ percent

B $5$ percent

C $10$ percent

D $25$ percent