单选题 He was unable to endure the torture of the enemy and surrendered. He ______ his comrades.
【正确答案】 D
【答案解析】[解析] 动词词义辨析。revealed“展现,揭示”,指揭露被隐藏的事物;suspended“悬浮;暂停”;exposed“使暴露;揭露”,指揭露出来供公众细察;betrayed“出卖,背叛”。根据句中unable to endure the torture of the enemy可判断,空格应填入与surrendered意思相近的动词。故答案为D。