$40.$ Similar abilities are required for successful performance in both sales and customer service roles, including the mastery of communication and interpersonal skills: vel the parallels between sales and customer service roles are seldom examined. People often seek sales lessons from the domain of psychology, as many books have examined psychology practices to discover the secrets of good sales techniques. Instead, one might consider evaluating what is known about customer service as it offers an alternative representation of sales, one that stresses the importance of gaining the respect of customers, openness, and flexibility.

Based on the passage what is a way in which sales end customer service vary?

$-[$x$]$ A$.$ Customer service requires an open approach with an emphasis on earning customers respect.

B$.$ Customer service requires strong communication and interpersonal skills.

C$.$ Sales requires strong communication and interpersonal skills.

D$.$ sales requires a flexible response no customer concerns.