A prekindergarten teacher frequently reads aloud high-quality literature to develop children's familiarity with literary texts. Which of the following accompanying activities would best promote the children's understanding of basic story structure?

a. having the children use props to act out a scene from the story
b. pre-teaching unfamiliar vocabulary from the story to support comprehension
c. stopping at appropriate places in the story to make predictions
d. giving the children picture cards of events in the story to retell in sequence