Question

【题目】— Must I take some pills?
— _________, I think it isn't serious.
A.No, you mustn't
B.No, you needn't
C.Yes, you mustn't

Answer 1

【答案】B
【解析】句意：我必须吃些药品吗？——你，你不必，我认为没什么严重的。Must I……?肯定回答用Yes，you must.否定回答是No, you needn't或No, you don't have to，不能用mustn't,因为mustn't表示“不许；不准；禁止”。所以答案是B。