Answer:
Option D, REM
Explanation:
In the rapid eye movement stage of sleep, a brain is quite active just like an awake person. Rapid eye movement occurs when a person visualizes a dream in a way that it seems to him/her as real. Therefore, the eyes dart in this stage. As a person darts his/her eye, a neurons in the medial temporal lobe of the brain will show some activity, showing that brain is consciously active.
Therefore, Mohammed is probably experiencing REM
Option D is correct
