Riley ate too much chocolate cake during his birthday party and was sick all night. if classical conditioning occurred and he associated the cake with being sick, then when riley sees chocolate cake today, he will most likely:

To be turned off by recalling the taste and smell of the cake.

Explanation:

Classical conditioning also referred as Pavlovian or respondent molding alludes to a learning strategy where an organically intense boost (for example nourishment) is matched with a formerly unbiased improvement (for example a chime).  Classical conditioning is a kind of realization, that sums up relationship between two stimuli, for example one means the event of another.  In this, the reactions of the living being, are under the influence of the boost,  The impact of this conditioning can be found in reactions, for example, fears, appall, sickness, outrage, etc. A well-known instance is conditioned sickness, in which the sight or smell of a specific nourishment causes queasiness since it caused stomach upset previously.Thus Riley' case follows the Classical conditioning theory.

It would be b. distress