If I _____it with my own eyes ,I wouldn’t have believed it.
A．didn’t see
B．weren’t seeing
C．Wouldn’t see
D．hadn’t seen

参考答案：D 答案解析： 根据题干中主句的谓语动词wouldn't have believed 为"would have done"结构可知，本句是对过去情况的假设，由此可推知，从句if引导的虚拟条件句中的谓语动词应用had done来表示对过去情况的假设，故选D。