A candidate problem is described vividly by one customer in a long interview. What does that establish?

• AThat it is a market problem, since the account is detailed and credible.
• BEvidence of urgency for that person, and nothing about pervasiveness, which is a separate test requiring evidence from across the defined market.
• CNothing, since single interviews are not usable evidence.
• DThat the customer should be given a discount to retain them.