When Callers on the Phone to Real Estate or Rental

When callers on the phone to real estate or rental agents sound black or Hispanic,they are :

A) Considerably more likely than white-sounding callers to be told that rental property is unavailable when it is located in white areas
B) Considerable less likely than white-sounding callers to be told that rental property is unavailable when it is located in black areas
C) Less likely to be shown property in majority black and Hispanic neighborhoods
D) Less likely to be offered a tour of property in listed neighborhoods.