－He asked Tom, “Have you finished your homework？”
－He asked Tom .
A. ifhadhefinishedhishomework.
B. whetherhehadfinishedhishomework.
C. ifhehadfinishedhomework
D. ifyouhadfinishedyourhomework.
网友回答
A. ifhadhefinishedhishomework.
(答案→)B. whetherhehadfinishedhishomework.
C. ifhehadfinishedhomework
D. ifyouhadfinishedyourhomework.
解析：考查间接引语。在直接引语中要注意时态和人称的变化，要和前面的主句的时态和人称保持一致。句意：他问Tom是否已经完成了家庭作业。前面使用了过去时，句意指完成作业在他询问之前，故使用过去的过去，故使用过去完成时。B之前。