胆囊三角（Calot三角）的构成是（）

A.胆囊管、肝总管和肝门构成的三角区

B.胆总管、肝总管和胰管构成的三角区

C.胆囊管、肝总管和肝下缘构成的三角区

D.胆总管、肝门和十二指肠 * * 处构成的三角区

E.胆囊、肝脏和胰腺构成的三角区

---- I stayed awake _______ 12 o’clock to wait for my husband to come back last night.

------ Then you _____have had a good sleep, did you?

A．until; mustn’t

B．till; can’t

C．before; should

D．when; would