Compartment `A` and `B` have the following combinations of solution:
`{:(,A,B),(1,0.1 M KCl,0.2 M KCl),(2,0.1%(m//V) NaCl,10% (m//V) NaCl),(3,18 gL^(-1) "glucose",34.2 gL^(-1) "sucrose"),(3,20% (m//V) "glucose",10% (m//V) "glucose"):}`
The solution in which there will be no change in the level of the solution in the compartment `A` and `B` is.
A. 1
B. 2
C. 3
D. 4
