第16题: [单项选择]The manager wondered why ________. A. the workman sent a bill to the company B. the mice bought for the job were a male and a female C. the workman had paid for the mice D. mice were needed in repairing a house 参考答案:D 答案解析:[解析] 根据第一段可知:一个小建筑公司的经理收到了一张购买两只白鼠的账单,感到非常惊奇,就把买老鼠的员工找来问个究竟。由此可以推断出答案D是正确的。