—Must we finish our homework today?

—No, you     . You     finish it the day after tomorrow.

A．needn’t; must

B．mustn’t; can

C．needn’t; can

D．mustn’t; can

胰体矢状断面标志（）

A.脊柱左缘和左肾

B.腹主动脉长轴

C.下腔静脉长轴

D.肠系膜上静脉长轴