Geoff could n't remember a damn thing . All he remembered was the drinking he had done . Lucian , who was still in shock , just sat in the bed upright , doing the same thing as Geoff .
According to the above context, choose the best option to answer the following question.
Question: Why was Geoff feeling ill ?
Options:
- Geoff has been drinking heavily .
 - Geoff has been isolating too much .
 - Geoff has been too angry with others .
 - None of the above choices .


Geoff has been drinking heavily .