According to the Definition Offered in the Textbook,which of the Following

According to the definition offered in the textbook,which of the following would NOT be a good example of "culture"?

A) A child mimics her brother by using a tablet computer to watch a movie.
B) A child learns how to tie her shoes from her mother.
C) A child improves on her friend's tool by tying a rock to one end.
D) A child figures out a novel solution to a new puzzle she has never seen before,all the while listening to her sister play the piano.
E) A child learns to raise her hand in class to get the teacher's attention.