--How long in Guilin?For two weeks. I’m going to some places of interest there

问题补充：

----- How long in Guilin?

----- For two weeks. I’m going to some places of interest there.

A. did you stay

B. do you stay

C. are you staying

D. have you stayed

答案：

A. did you stay

B. do you stay

(答案→)C. are you staying

D. have you stayed

解析：考查将来时的表达法。现在进行时代替将来时表示按照计划安排要发生的事情。本题是指 计划在桂林要呆多长时间。句意：—你要在桂林呆多久？—两个星期。我要去那里的一些，名胜古迹。故C正确。