[单选题]
The graph below shows thfysf4ye,x2qkbh j9o )k 04-o 9dnxu k5e change in mass of a potato slice (%) at diff 5axm;g;y.0hwds.af verent concentrations of sucrose f a dw.5 mvsy.0h;x;gasolution (mol dm$^{-3}$ ).
A. 0.01 mol dm$^{-3}$
B. 0.22 mol dm$^{-3}$
C. 0.38 mol dm$^{-3}$
D. 0.57 mol dm$^{-3}$