[Solved] If you were to add olive oil to your food as part of a diet to lower your risk of atherosclerotic disease,you would use olive oil that A)is hydrogenated. B)is modified to be solid at room temperature. C)has lard added to it. D)is liquid at room temperature. Demonstrably: Capable of being proven or shown through evidence or clear examples. Ex Post Facto Design: An “after the fact” experimental design in which there is no control over experimental conditions. Two-group Pretest: A research design involving two groups, where both are tested before the treatment or intervention is applied to one of them. Control Group: In experimental research, a group of participants that does not receive the experimental treatment, serving as a comparison to evaluate the effect of the treatment.