影响凝血因子活性的促凝血药是（）
A.酚磺乙胺
B.氨甲环酸
C.安特诺新
D.氨甲苯酸
参考答案：A
---Who’s the most modest boy in your class?
---Daniel. He never __________ in public.
A．gets off
B．takes off
C．shows off
D．turns off
