Column Chromatography Incorrect Statements

From the figure of column chromatography given below, identify incorrect statements.
A. Compound 'c' is more polar than ' a ' and ' b '
B. Compound ' a ' is least polar
C. Compound ' b ' comes out of the column before 'c' and after ' a '
D. Compound ' a ' spends more time in the column Choose the correct answer from the options given below :-