What words or phrases in the sentence help you understand the word in bold? The tired climbers struggled slowly up the steep and grueling mountain path. A The words and phrases of struggled slowly, steep, and tired help you understand this word. B The words and phrases of grueling, tired, and mountain help you understand this word. C The words and phrases of climbers and mountain path help you understand this word. D The words and phrases of path, climbers, and up help you understand this word.