— Do you know ________?

— It’s about fifteen minutes’ walk.

A．how far is the post office

B．which is the way to the post office

C．how long did you reach the post office

D．how far it is to the post office from here

下列关于糖脂代谢的叙述哪一项是错误的？（）

A.糖分解产生的乙酰CoA可作为脂酸合成的原料

B.脂酸合成所需的NADPH主要来自磷酸戊糖途径

C.脂酸分解产生的乙酰CoA可经三羧酸循环异生成糖

D.甘油可异生成糖