Which of the Following Statements About Extraction of Molecules by Using

Which of the following statements about extraction of molecules by using ethanol and supercritical carbon dioxide is most correct?

A) Nonpolar molecules can be extracted by using ethanol.
B) Polar molecules can be extracted by using supercritical carbon dioxide.
C) Polar molecules are best extracted by using ethanol.
D) Polar molecules cannot be extracted by either ethanol or supercritical carbon dioxide.