Danielle has become a real challenge for her parents and teachers. Although they describe her as a sweet girl who really wants to behave, they report that she constantly gets up out of her seat, walks around, and is so easily distracted that she can rarely stay focused on a given task for more than a few minutes. She tends to blurt out answers to questions without waiting to be called on, and is constantly "on the go."
Perhaps Danielle should be evaluated to see if she is suffering from disorder.

A) autism spectrum
B) attention-deficit/hyperactivity
C) conduct
D) posttraumatic stress