Final answer:
Offer a small sample to the customer so they can make an informed decision, and if they are still hesitant, suggest an alternative that might suit their taste.
Step-by-step explanation:
When a customer is hesitant about trying a drink that you are confident they will like, the best approach is B. Offer a small sample for them to taste before ordering. This method allows the customer to make an informed decision based on their own taste preferences without feeling pressured. Offering a sample is a customer-friendly strategy and can lead to a positive experience, increasing the likelihood that the customer will trust your recommendations in the future. If they are still hesitant after trying the sample, you can then C. Suggest an alternative drink they might like, showing a considerate understanding of their tastes and preferences. It's usually not advisable to insist or pressure the customer, as this could lead to a negative experience.