​A Doctor Diagnoses Javier with an Infection and Prescribes a Medication

​A doctor diagnoses Javier with an infection and prescribes a medication to treat it. Among factors contributing to a placebo response, which of the following is more indicative of expectancy than of conditioning?

A) ​Javier has read that this medication eradicates the infection 100% of the time.
B) ​Javier has had same medication before and recovered from a similar infection.
C) ​Javier has had good medical experiences and associates treatment with success.
D) ​Javier has learned that taking prescribed medication is better than not taking it.