Context: Read the description of a trait.
Diane has naturally black hair.
What information supports the conclusion that Diane inherited this trait?
A. Some people use a hair dryer to straighten their hair. But Diane and her brothers have naturally straight hair.
B. Both of Diane's biological parents have naturally black hair.
C. When she was younger, Diane wore ribbons in her naturally black hair.
From the given choices, select the correct answer and reply with the letter of the chosen option.

B