___________ cylinders could be utilized to give a continuous output as in pumps for high performance liquid chromatography, or one cylinder could be made to deliver with either stroke.

___________ cylinders could be utilized to give a continuous output as

1.	___________ cylinders could be utilized to give a continuous output as in pumps for high performance liquid chromatography, or one cylinder could be made to deliver with either stroke.
A.	One
B.	Two
C.	Three
D.	Four
Answer» C. Three