user
A man in standing in a room,  and someone dumps water on him.   Without conciousness of what has happened,  he falls to the floor instantly, dead. 
A: continental divide
B: scuba diver
C: water was frozen into ice
D: bathing
E: steam
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>