Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Input: [header] How to diagnose reactive attachment disorder [title] Determine if the child was severely neglected. [step] Before making a diagnosis of rad, assess the child's history of neglect. Most children with rad have an extensive history of neglect, having mothers and fathers who abandoned them, did not care for them, or left them to fend for themselves at an impossibly young age. <sep> (A) This may include until the age of six or seven. [substeps] Notice the child's continual neglect to help guide the diagnosis. (B) Find out if this child has faced these circumstances. [title] Determine if the child has had many changes in caregivers. (C) They would also have spent their childhood disappearing whenever they could do so. It is important to assess whether the child's neglect was emotionally agonising. (D) This includes neglect of other children, such as grandparents, siblings, or other caregivers. The majority of children with rad develop this disorder or adapt to it.
Output:
B