53. What does “pen in” mean? (A) confine (B) release (C) scare (D) prey

52.Which of the following is NOT an example of cultural transmission? (A) Chimps show other chimps how to use tools. (B) My roommate showed me some tricks to make better scrambled eggs. (C) I learn how to take the public transit system in Paris with the map. (D) The preservice teacher observes the in-service teacher to learn how to conduct a class.