Characterization of Emily in a Short Story

In the excerpt from a short story, the protagonist, Emily, is a young woman who has recently moved to a new town. She is described as shy and reserved, often preferring to observe rather than actively participate in social gatherings. Despite her quiet nature, there are glimpses of her inner strength, as she helps an elderly neighbor with groceries, showcasing her willingness to assist others. Based on this characterization, which response best captures Emily's primary traits as presented in the text?