【正确答案】 D

【答案解析】[解析] 一天激烈的战斗后，敌军最终不得不从占领的地区撤军。retreat撤退，不及物动词。如：The troop made good their retreat from the occupied city. 部队从沦陷的城市安全撤出。return返回。如：Our investment accounts return a high rate of interest. 我们的投资项目利润回报很高。dismiss解雇。如：The boss threatened to dismiss him from his job, but it's all a bluff.老板威胁说要解雇他，但这不过是恐吓而已。withdraw撤回。如；The troops have been withdrawn from the danger area.部队已经撤出危险地带。