Context: Read the description of a trait.
Isabelle knows how to fly a plane.
What information supports the conclusion that Isabelle acquired this trait?
A. Isabelle is in the Air Force. She flies a plane almost every day.
B. Isabelle can fly a plane on cloudy days and at night.
C. A pilot taught Isabelle how to fly a plane.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

C