Martin works in a crime lab, and his job is to create the finished sketches of each crime scene. What does his job MOST likely entail?

A. He uses computer programs to create a detailed representation of the scene,

B. He takes video of every crime scene and turns the video into a drawing

C. He takes a rough sketch and uses his own artistic skill to draw it more clearly

D. He interviews witnesses to make sketches of possible suspects in a crime.