Ted was so worn out that he just

Ted was so worn out that he just _____ down and slept for ten hours.
A、lied
B、laid
C、lay
D、had lain
【正确答案】：C
【题目解析】：C Ted（人名）太累了，以至于他一躺下来就睡了十个小时。 短语so……that…… 如此……以至于…… ，lie的过去时与过去分词也是不规则的,均为：lay.