Tom Is Looking to Lose Weight by Cutting Carbohydrates Out

Tom is looking to lose weight by cutting carbohydrates out of his diet,particularly from regular sodas,but has a negative attitude towards diet sodas and does not drink them because he believes they do not taste as good.What strategy can a company use to ensure Tom that their diet tastes just like regular?

A) changing the relative evaluation of attributes
B) associating the product with a special group, event or cause
C) changing the basic motivational function
D) changing consumer beliefs about competitor brands
E) changing consumers' subjective norms