【单选题】

With which of the following statements would the author be likely to agree
A．In most of the health-care industry, the relationship between a doctor and a patient is the same as a seller and a buyer.

B．Few patients are reluctant to object to the course of the treatment prescribed by a doctor or to question the cost of the services.
C．The payer, whether insurance carrier or the government, is less likely to acquiesce to demands for payment when the illness of the patient is regarded as serious.
D．The more serious the illness of a patient, the less likely it is that the patient will object to the course of treatment prescribed or to question the cost of services.