Context: Read the description of a trait.
Mabel has a scar on her right elbow.
What information supports the conclusion that Mabel acquired this trait?
A. Mabel's sister has a bruise from falling on her elbow.
B. Mabel's scar was caused by an accident. She cut her arm when she fell off her bicycle.
C. Mabel's scar is on her right elbow. Her father also has a scar on his right elbow.
Pick the correct answer from the listed options and provide the letter of the selected option.

B