— Who do you think should answer for Li Tianyi’s behavior?

— Actually, I think it is their parents_________.

A．who are blamed

B．that are to blame

C．which are to blame

D．what are blamed

女性，47岁，溃疡病手术后，胃管有大量鲜血流出，有黑便，呕血。

初步考虑是什么问题

A．胆道出血

B．吻合口出血

C．小肠出血

D．吻合口梗阻

E．吻合口瘘