GRE Text Completion: JiJing 1373-GRE填空机经1373题 - PPH47P5FKU0R7AXLA

____________ the notion that attention is a limited resource, scientists have found lots of evidence that drivers with cell phones drives slower and are more apt to miss important details than drivers who drive solely on the road. A. Controverting B. Buttressing C. Questioning D. Bolstering E. Perpetuating F. Refuting