_______and short of breath,

_______and short of breath,Andy and Ruby were the first to reach the top of Mount Tai. [ ]
这个题选b 过去分词作状语 做让步状语 比如 tired and hungry , they returned home.这里tired and hungry 做什么状语呢？
还有 —————— ，they stopped to have a rest.
A. To be tired B. Tired C. Tiring D. Being tired 这个题选什么？ 做什么状语？

解答如下：
在句子tired and hungry , they returned home中，这里tired and hungry 做原因状语，

可翻译为：因为感到又累又饿，所以他们返回了家。
另外，在句子：—————— ，they stopped to have a rest.中，应该选B. Tired，这里也是属于过去分词做状语，表示原因。可翻译为：因为感到很累，所以他们停下来休息了，其余几个都不对。

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应该是选b项。
逗号前是让步状语从句，不过进行了省略，还原后应为：though they (andy and ruby) were tired and short of breath，句子的主语是andy and ruby，所以应该用“感到疲劳的”，即要用tired；又由于是与形容词短语short of breath相并列，所以应选形容词tired，不选to be tired或being tired。