He is concerned about his daily massive exposure to carbon tetrachloride

A 33 year old man works at a dry cleaning service presents to his physician for a routine examination. He does not have any major health problems or significant family history. He works at his current job for 14 years. He is concerned about his daily massive exposure to carbon tetrachloride.
Which of these organs has the highest risk for damage due to this exposure?
A- Stomach
B- Small intestine
C- Heart
D- Kidney
E- Liver