user
a boy and his dad are driving in the car , then they crash , the dad die's and the son is rushed to hospital , then a person come's in and says '' thats my son !''    who is that person ?
A: water boy
B: old boy
C: boys mum
D: trash can
E: fishing
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>