Which sentence uses parallel structure?
A. When Micah was at the beach, she participated in several, activities: swimming, snorkeling, whale watching, and then she surfed.
B. Micah likes to do a lot of stuff in her free time: to write, taking pictures, to paint, and film editing.
C. Micah went swimming, snorkeling, and then watched whales.
D. Micah is into writing, painting, and film editing.