In the condition of constant flow in the system of tubes:
A. Reduction of the diameter of the tubs results in decrease of the rate of flow
B. Increase of the diameter of the tube increases the rate of flow
C. The lateral inside pressure decreases if the diameter of the tubs enlarges
D. The flow of liquid is independent on the diameter of the tube
E. The lateral inside pressure decreases if the diameter of the tube is reduced
E. The lateral inside pressure decreases if the diameter of the tube is reduced
(this multiple choice question has been scrambled)