Name the conventional solvent that was used for dry cleaning purposes which later confirmed to be a suspected carcinogen.

Name the conventional solvent that was used for dry cleaning purposes

1.	Name the conventional solvent that was used for dry cleaning purposes which later confirmed to be a suspected carcinogen.
A.	Supercritical CO2
B.	Phenanthrene
C.	Tetrachloroethene
D.	Benzene aldehyde
Answer» D. Benzene aldehyde