Carla works as a secretary at a well-known law firm. Due to a bad blood transfusion, Carla is HIV positive but not yet symptomatic. When the firm was informed of this by the health insurance officials, she was fired from her job. This scenario depicts the violation of the ________.
A) Civil Rights Act of 1991
B) Age Discrimination in Employment Act of 1967
C) Civil Rights Act of 1964
D) Americans with Disabilities Act of 1991