血清AFP阳性不会出现的一种情况是：()
A．急性黄疸性肝炎
B．原发性肝癌
C．原发性胆汁性肝硬化
D．睾丸癌
E．妊娠
参考答案：C
714÷7的商一定小于714÷5的商。[ ]
It was _____ back home after the experiments.[ ]
A. not until midnight did he go
B. until midnight that he didn't go
C. not until midnight that he went
D. until midnight when he went
