When interest rates ______, the prices of currently outstanding par bonds ——— A. Rise; fall, because trading at discount B. Rise; rise, because trading at premium C. Fall; rise because trading at...

When interest rates ______, the prices of currently outstanding par bonds ——— A. Rise; fall, because trading at discount B. Rise; rise, because trading at premium C. Fall; rise because trading at discount D. Fall; remain unchanged E. Fall; fall because trading at premium