Question: John didn't have any memory of the previous week and it was getting worse.  He was doing what to his entire life?

Choices: 
- last forever
- forgetting
- forgotten
- rehabilitating
- forgetfulness

The rationale to choose "forgetting" as the answer is that: 

forgetting in the present is a sign of memory loss or medically termed dementia which worsens over time causing long-term memory loss