— Jannie, you should finish your assignment before Friday, understand?

— _____. I will finish it on time.

A．Got it

B．What

C．I can’t do that

D．I can’t promise

有关胃肠钡餐检查前准备，下列哪项不正确

A．忌服含铋、镁、钙等重金属药物3d

B．停用一切影响胃肠蠕动药物3d

C．检查前一天作碘过敏试验

D．检查前晚10h后禁食至检查毕

E．有幽门梗阻者于检查前先抽尽胃内潴留液