Context: Read the description of a trait.
Mark knows how to do tricks with a jump rope.
What information supports the conclusion that Mark acquired this trait?
A. Mark won a competition at his school with his jump rope tricks.
B. Mark has three jump ropes, each made of a different material.
C. Mark's sister taught him how to do tricks with a jump rope.
Select the correct answer from the provided options and reply with the letter associated with it.

C