Gold prices soared to the highest level on January 25 , 2012 in the US. And the______metal surged to $ 1,720. 35 an ounce on the London Bullion Market—the highest level since December 9, 2011.
【正确答案】 C
【答案解析】解析：previous“早先的，以前的”；distinctive“有特色的，与众不同的”；precious“宝贵的，贵重的”；innovative“创新的”。根据题意，本题选C。