— Must we finish the work today?

— ______. But you must finish it tomorrow. [ ]

A. No, you needn't.

B. Yes, you have to.

C. No, you mustn't.

跖骨颈疲劳骨折最初表现是（）。

A.局部疼痛、肿胀、活动功能障碍

B.前足痛、劳累后加剧，休息后缓解

C.局部疼痛、可触模到骨隆凸

D.前足痛，行走加剧，休息不能缓解

E.局部肿胀、不能站立、X线早期诊断容易