Are we about to have dinner? - Yes it in the dining room. A. is servingB. servesC

问题补充：

--- Are we about to have dinner?

--- Yes, it in the dining room.

A. is serving

B. serves

C. is being served

D. served

答案：

A. is serving

B. serves

(答案→)C. is being served

D. served

解析：考查时态及语态。句意：我们马上吃饭吗？是的，它在餐厅正在被端呢。根据语境应用现在进行时的被动语态。故选C。