A. It can make high quality duplicates of prerecorded tapes easily. B. It can let viewers watch a tape while simultaneously recording off the air. C. It can duplicate prerecorded movies clearly. D. Both A andB. 参考答案:D 答案解析:文中第一段提到“The VCR 2 enables its users to make high-quality duplicates of prerecorded tapes easily.It a