All of These Statements About Integral-Type Power Steering Pump Sealing

All of these statements about integral-type power steering pump sealing are true EXCEPT:

A) Lip seals are mounted on bolt fittings on the back of the reservoir.
B) The cap and dipstick provide a seal on the top of the reservoir neck.
C) A large O-ring seal is positioned between the reservoir and the pump housing.
D) A lip seal on the pump drive shaft prevents oil leaks around the shaft.