— Has the homework been finished?
— Our teacher asked you .
A. whether had the work been finished
B. if the work had been finished
C. the homework has been finished
D. the work had been finished
网友回答
A. whether had the work been finished
(答案→)B. if the work had been finished
C. the homework has been finished
D. the work had been finished
解析：考查宾语从句的语序和时态。宾语从句应该用陈述句语序，排除A；C、D缺少连接词；从句的时态应该跟主句一致。If/whether表示“是否”时，不能省略。故选B。