Your son's 3-year-old friend falls and scrapes his knee while playing with his puppy at the park. You saw him fall and know he is not seriously hurt. But he comes crying and crawls into your lap. His tears stop in less than a minute and he climbs down and runs off to continue playing. In this scenario which of the following is the most important healing role you played? A. Examining his knee for injuryB. Physical presence in the midst of his distressC. Providing safety from the dogD. Support for his normal developmentE. Tolerance of his emotional expression