user
I am thin although sometimes thick.  I am slick although sometimes rough.  I am used by an artiste whom doesn't draw nor paint. 
A: drawbridge
B: guitar pik
C: card
D: cut
E: boy
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>