user
There are 2 parts of the town.  In the 1st part a father is going by car to leave his son to school.  In the other part a doctor is playing golf.  The father and the son meet with an accident.  The father is unharmed while the son needs an operation.  The son is rushed to the hospital.  The doctor is called just to operate the boy.  The doctor sees the boy and says,"I cannot operate him becaouse he is my child. "   Now, who is the doctor?
A: pen
B: band aid
C: inpatient
D: doctor is mother
E: gauze
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>