Researchers have determined that women use both sides of their brain for listening,【C1】______men use only one side of their brain, reports Discovery. Com News. In a study, 20 men and 20 women【C2】______a brain scan while listening to a tape recording of a book. The brain【C3】______showed that men listened【C4】______with the left side of their brain, which is associated with listening and speech. Women,【C5】______, showed activity on both sides of their brain. Dr. Joseph T. Lurito, an assistant radiology professor【C6】______the Indiana University School of Medicine, says:' Our research suggests language【C7】______is different between men and women, but it doesn t【C8】______mean performance is going to be different.' Other studies seem to【C9】______that women ' can handle listening to two conversations【C10】______, but it is hard for men to do so.' says Dr. Lurito. 【C1】 A．as B．since C．while D．although