The door opened and in .A. he cameB. came heC. did he comeD. did Mr Smith come

问题补充：

The door opened and in .

A. he came

B. came he

C. did he come

D. did Mr Smith come

答案：

(答案→)A. he came

B. came he

C. did he come

D. did Mr Smith come

解析：主语是人称代词时，主谓不倒装。