As there was no road, the traveler______ up a rocky slope on their way back. (2010年考试真题)
【正确答案】 C
【答案解析】解析:run“奔跑”,hurry“匆忙”,crawl“匍匐前进,爬行”,均不符合句意;scramble意为“爬行,攀岩,攀爬”,题干中出现了slope(斜面,坡度),故选C。