Context: Read the description of a trait.
Luke has a scar on his left knee.
What information supports the conclusion that Luke acquired this trait?
A. Luke's brother has scars on both of his knees.
B. Luke's scar is on his left knee. His mother also has a scar on her left knee.
C. Luke's scar was caused by an accident. He cut his leg when he fell off his skateboard.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

C