Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?

Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?

A. Tube dia is 3-6 cms, while tube length in 3-6 metres
B. Steam is fed to the shell, whereas the liquor is filled inside the tube
C. Liquor level is maintained at 1/3rd to 1/2 of the height of the tube
D. None of these