Which Outcome Could Suggest That a Flavor's Hedonic Value Has

Which outcome could suggest that a flavor's hedonic value has shifted, not that the flavor has become a signal for the US?

A) The subject consumes less of a flavor associated with illness and more of a flavor paired with calories.
B) The subject's consumption of a flavor after conditioning is unchanged, despite inflation or devaluation of the training US.
C) The subject's preference for, or dislike of, a flavor is successfully reversed through counter-conditioning.
D) The subject's preference for, or dislike of, a flavor after conditioning is changed when the value of the training US is modified.