Next door to ours , who has just returned form abroad.
A. where lives an old man
B. where does an old man live
C. lives an old man
D. does an old man live
网友回答
A. where lives an old man
B. where does an old man live
(答案→)C. lives an old man
D. does an old man live
解析：考查介词短语放在句首时，后使用完全倒装。句意：我们的隔壁住着一位老人，他刚从国外回来。故选C。