For the period 1926–2016, U.S. Treasury bills always:
选项：

A: provided an annual rate of return that exceeded the annual inflation rate.
B: had an annual rate of return in excess of 1.2 percent.
C: provided a positive annual rate of return.
D: earned a higher annual rate of return than long-term government bonds.
E: had a greater variation in returns year-over-year than did long-term government bonds.Difficulty: 1 EasyTopic: Historical performanceLearning Objective: 12-02 Discuss the historical returns on various important types of investments.