As Children Develop,they Acquire Many Cognitive Tools of Their Culture

As children develop,they acquire many cognitive tools of their culture. Which teacher is most clearly applying this idea?

A) Mr. Shaw reminds his students that he will let them go to lunch only after they've put away their art supplies.
B) Ms. Turiel shows students how to graph their research results so that they can more easily see trends in the data.
C) Ms. Norquist smiles to show her approval when students listen quietly and politely during a guest speaker's visit.
D) Mr. Cabot demonstrates how to use a paper cutter safely.