Upselling is not an example of optimizing a client relationship in the five-step sales process.
The five steps of the sales process are as follows:
The complete question is as follows:
Upselling may be defined as a sales approach that entangles inspiring customers or clients to purchase a higher-end rendition of a product than what they initially planned to buy.
Therefore, the correct option for this question is D, i.e. Upselling.
To learn more about Sales strategies, refer to the link:
https://brainly.com/question/25640993
#SPJ1