user
I am circular and i get sold.  i have a hole in me.  but i am not a donut .  what am i?
A: hemorrhoid
B: fistula
C: excitement
D: pie shop
E: cd
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

E

<|end_of_solution|>