Answer: A.) grabbing the children's attention away from her.
Explanation: The students attention have been diverted due to the fact that bright colors, paintings and displays are usually eye-catching and may impact an individual's ability to focus or listen to other information being passed a cross in such situation or environment. In the context above, Mrs. Clarke's use of bright colors in her class design has had a greater weight in the grabbing the focus and attention of the students, hence leading to her inability to get the student attention.