Which of the Following Teachers Best Exemplifies Social Constructivist Thinking

Which of the following teachers best exemplifies social constructivist thinking?

A) Ms. Michaels ensures that all curriculum materials are developmentally appropriate.
B) Because Marco is having difficulty with the day's assignment, Mr. Renolds meets with him to discuss how his personal experiences relate into the day's lesson.
C) Because the class is having difficulty comprehending the concept of a "defense mechanism," Mr.Oleander puts his psychology class into groups to share their personal experiences observing these mechanisms.
D) Lola finishes her independent seatwork and moves to the art table with the other kids to color in her map.