When we climbed up to the top of the mountain we were all .A. out of the breathB. short o

问题补充：

When we climbed up to the top of the mountain, we were all .

A. out of the breath

B. short of the breath

C. out of breath

D. short of breaths

答案：

A. out of the breath

B. short of the breath

(答案→)C. out of breath

D. short of breaths

解析： 考查短语：out of breath气喘吁吁的，上气不接下气的，句意：当我们爬到山顶的时候，我们都气喘吁吁的。故选C。