— When can I see you, Mr Black? Three o’clock this afternoon?

— Oh, no. I ________ a meeting then.

A．will have

B．will be having

C．am having

D．have

饥饿可使肝内哪一代谢途径增强（）

A.磷酸戊糖途径

B.糖异生

C.糖酵解

D.脂肪合成

E.糖原合成