are we about to have lunch?yes,it ----- in the dining room

问题描述:

are we about to have lunch?yes,it ----- in the dining room
我们要马上吃中饭了吗,后面的回答为什么用is being served而不是用has been served ,用完成时不是更好

不对 吃饭过程中也是lunch being served而不是prepared only