6. An apartment manager received a telephone inquiry regarding a vacancy, at which the manager indicate that there were several vacant apartments. When the callers arrive, the manager discovered that they were an interracial married couple. The manager informed them that he or she made an error, and that all the apartments are renter when, in fact, the manager knew that several were available. Im this situation, the manager

a. is protecting the interests of his clients

b. has violated the 1968 Civil Rights Act

c. is complying with the ethical standard of the local board of Realtors

d. has a right to rent to he or she wishes