Identify the true statement of the problem$-$solving model.$$

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A$.$

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Customers rarely have a solution in mind to offer when they seek to redress their grievances.

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B$.$

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Customers always want you to solve the problem and attend to their grievances.

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C$.$

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Customers always want to vent frustration and seek sympathy for his problems.

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D$.$

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Customer often feels ownership for the solution when a problem is solved jointly.