—Daniel must have lost his job in that unemployment crisis, he?—I don’t think so. Yesterday I saw him working together with his colleagues.A.didn’tB.doesn’tC.mustn’tD.hasn’t
网友回答
A解析当must表示推测时，其后反意疑问句部分的时态取决于实际时态而不是must后的形式; 本题中“失去工作”的动作发生在过去，因此用did来反问。