Tired______she was, there was no hope of her being able to sleep.
【正确答案】 B
【答案解析】根据句意并结合选项可知，逗号前面是让步状语从句的倒装形式。though引导让步状语从句时，从句可以用倒装结构，即“形容词、副词、动词原形、名词+though+句子其他成分”形式。故选B。