Which Example Shows Social and Emotional Support

Which example shows social and emotional support?

A) Realizing that a child is shy, Valentina provides encouragement for her.
B) Ximena establishes a rule that students may not talk when she is providing instructions.
C) Diego makes sure all his students have the materials needed to complete their activities.
D) After a child provides an answer, Santiago often paraphrases it using an expanded vocabulary.