Answer: A! Cycling!
Explanation: Cycling, stacking, pyramiding, and plateauing
Steroids are often used in patterns called "cycling."
DRI stands for The Dietary Reference Intake. It<span> is a system of nutrition recommendations</span><span> from the Institute of Medicine of the National Academies.</span>
DRIs are now the preferred value for nutritional intake but are not shown on food labels because it depends on the person's weight, height, and amount of calories they should take in.
Stimulus generalization is a concept in psychology where, if you're exposed to a certain stimulus and are conditioned to react in a certain way to it, you will also react in a very similar way to stimuli that look or seem to be very similar to the original stimulus.
An example of this would be if you were bitten by a dog and are conditioned to being afraid of being bitten by a dog, you will be also likely afraid of similar dogs when you see them in different situations.