From the figure of column chromatography given below identify the correct statement

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” spend more time in the column
Choose the correct answer from the options given below
(3)
Most polar compound retains at the top of column and eluted last