Which of these is an incorrect use of parallel structure?
A. Our class needs a president who works hard, listens to peers, and
follows through on commitments.
B. Jenna made the team because of her speed, ball handling, and
she has a good attitude.
O C. It takes discipline to balance academics, extracurricular activities,
and family time.
D. Keith played in the orchestra, starred on the hockey team, and
earned a scouting award.