please answer the following multiple choice

IMG_5454.jpeg One key assumption underlying the expectations theory is: Select one OA Investors consider bonds with different maturities as perfect substitutes O B The interest rate on a long-term bond will be less than the average of short-term interest rates O c Investors prefer bonds of one maturity over another. OD The interest rate on a long-term bond will exceed the average of short-term interest rates. Unsure