TrueTrain is a company that develops and delivers custom trainings for products, procedures, and change at companies. TrueTrain developers have extensive knowledge of adult learning theory, and the trainers are dynamic, engaged teachers. Which of the following is an example of a relationship strategy salespeople for TrueTrain could use? A) Use mirroring and other subtle methods to create rapport and a good relationship with the customer so the customer ultimately buys. B) Understand all the training products they sell and how to customize a package for the customer. C) Examine how they can add value for customers so the customers will continue to contract with TrueTrain on a long-term basis. D) Give a presentation to the customer after planning out the objectives carefully ahead of time. E) Understand the customer's needs and what and how they need to buy