生产同样一只茶杯，甲耗费了3小时劳动时间，乙耗费了4小时劳动

生产同样一只茶杯，甲耗费了3小时劳动时间，乙耗费了4小时劳动时间，丙耗费了2小时劳动时间，三只茶杯在同一市场上出售，这时
A甲生产的茶杯价值量大 B.乙生产的茶杯价值量大
C.丙生产的茶杯价值量大 D甲、乙、丙生产的茶杯价值量一样大

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