单项选择题

胆道蛔虫病腹痛特点是剑突下

A.持续性钝痛
B.持续性刀割样痛
C.阵发性绞痛
D.阵发性钻顶样绞痛
E.持续性疼痛，阵发性加剧
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听力原文：M: May I help you?W: Yes, I'd like to cash these travelers' checks first, and then open a savings account.Q: Where does this conversation probably take place?(18)A.In a department storE.B.In a bank.C.At a tourist bureau.D.At a hotel.
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