正解:C
A benefit is a part of a solution unit that clarifies how a specific customer will benefit from the solution proposed. A benefit is the value or advantage that the solution provides to the customer, such as saving time, money, or effort, or increasing productivity, quality, or satisfaction. A benefit should be specific, measurable, and relevant to the customer's pain points and needs. Reference: https://www.salesforce.com/resources/articles/value-selling/#value-selling-definition