A single parent of two preschool children makes an application to rent a condo in a development intended for older persons that is 90% occupied by people over the age of 55. In this case, the Federal Fair Housing Act protects the
a) Single parent and children from discrimination based on familial status.
b) Development's intended demographic from disruption.
c) Elderly occupants from unwanted noise.
d) Landlord's right to deny the application based on family size.