Which of the Following Statements Is LEAST-Likely True

Which of the following statements is LEAST-Likely true?

A) An integral reservoir is sealed to the pump with a large O-ring.
B) On some vehicles, access to power steering pump bracket fasteners is easier with the vehicle raised on a lift.
C) Replacement of the pump shaft seal often does not require removal of the pulley.
D) The best practice when replacing a power steering component is to avoid allowing air to enter the system.