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：时态应用。本句中when引导的时间状语从句中的动作与主句中的动作同时发生，此时主句应用进行时；时间状语中用的是一般过去时，主句应用过去进行时；所以选项A是答案。