Which sentence uses a colon incorrectly?

A) In our pottery class we made: big salad bowls, medium soup bowls, and small little tea cups.
B) The detective had several suspects in mind: the butler, the maid, the yardman, and the chauffeur.
C) Please pack the following for our hike tomorrow: granola bars, water bottles, sunscreen, and bug spray.
D) Rollie felt so many emotions when he saw his movie on the big screen: elated, nervous, happy, and exhausted.