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
网友回答
A. out of the breath
B. short of the breath
(答案→)C. out of breath
D. short of breaths
解析：本题考查短语固定搭配。out of breath为固定搭配意为“上气不接下气”。句意：当我们爬到山顶的时候，我们都上气不接下气。