Context: Read the description of a trait.
Dakota has a scar on her right elbow.
What information supports the conclusion that Dakota acquired this trait?
A. Dakota's scar was caused by an accident. She cut her arm when she fell off her bicycle.
B. Dakota's scar is on her right elbow. Her father also has a scar on his right elbow.
C. Dakota's sister has a bruise from falling on her elbow.
Determine the correct option from the provided choices and reply with its corresponding letter.

A