Emily sighed and kept her eyes on the pavement in front of her. Left foot, right foot. Left foot, right foot. The houses of the neighborhood could have turned into towering mountains or fantastical castles and she probably would not have even noticed, not that day.Never mind the scenery;never mind that bothersome. feeling of welness in her eyes. Staring at her feet, Emily suddenly jumped back. She had barely missed stepping on a tiny fluffball of feathers and whimpers.She bent down, feeling a sudden lightness in her shoulders, as if she had just put down a heavy burden One wing was at an unnatural angle. She would help it; she would take it home. Emily feels a physical change, a sudden lightness when she finds the bird. What main idea does this detail help support? D wearing a backpack for too long can cause back and shoulder problems. D Baby birds are completely helpless. D Being sad can make you ignore your surroundings. Helping someone else car make you feel better.