单选题 It is not as difficult to store information as it is to ______ it quickly when it is wanted again.

【正确答案】 D
【答案解析】[解析] represent“描述；描画；意指”；retain“保留；保持；保有；维持”；restore“拿回原处，恢复原状；复旧”；retrieve“取回，恢复”；retrieve information“检索储存的信息”。答案是D。