Trance is a deep hypnosis. People in trance won't be in touch with reality. Hallucination is seeing things which don't exist in reality. Trance may cause one to see non-existent things.
This justifies what answer for what question? Q & A: 
What can happen after someone is going into a trance?
Options:
- disorientation
- closed eyes
- confusion
- hallucination
- loss of control
hallucination