单选题After the patients went&n

问题补充：

单选题Afterthepatientswentintotheoffice,＿＿working.A.only a doctor did they seeB.only a doctor saw theyC.only a doctor they sawD.only a doctor had they seen

答案：

C解析only修饰句子的宾语位于句首时，句子不倒装。