问题
单项选择题
When Henry arrived home after a hard day at work, his wife was slept.()
A. his wife was sleeping
B. his wife slept
C. his wife has slept
D. his wife has been sleeping
答案
参考答案：A
解析：
本句中when引导的时间状语从句中的动词与主句中的动作同时发生，此时主句应用进行时；时间状语用的是一般过去时，主句应用过去进行时；所以选项A是答案。