Answer:
The correct answer is the option D: emphasized pre-sales training to sales personnel so they were properly trained before dealing with customers.
Step-by-step explanation:
To begin with, the sales process is a concept used in the business area in which the primary focus is on the salesforce that will face the customers directly and therefore that this type of process places an emphasis on the pre-sales training to the company's personnel in order to prepare them to face the clients in the best way as possible due to the fact that they will be able to answer all of the audience questions and show them how to use the products or even make them advices. That is why, the main focus of this process is in the training.