Could you tell us ?About two weeks.A. how often are you going to be awayB. how of

问题补充：

--- Could you tell us ?

--- About two weeks.

A. how often are you going to be away

B. how often we are going to be away

C. how long are we going to be away

D. how long we are going to be away

答案：

A. how often are you going to be away

B. how often we are going to be away

C. how long are we going to be away

(答案→)D. how long we are going to be away

解析： 宾语从句中一般为陈述语序，可以排除AC，根据答语，大约两周，可知问句中问的是多久，所以选D，我们要离开多久。