On a TLC plate resolved in a solution of 7:3 Toluene/Acetone, which compound is likely to show the smallest Rf value?

A) The solvent is too polar to separate compounds.
B) The solvent is not polar enough to separate the compounds.
C) Carotenes
D) Xanthophylls
E) Chlorophylls
F) All will show the same Rf value.