A. half a mile underground B. several miles from Pads, Tennessee C. worked by miners in shafts several hundred feet down D. not far from the Kitty Litter plant 参考答案:D 答案解析:细节理解题。文章第—段第四行中“…an excavation half a mile from the Kitty Litter plant…in mining and milling.”说明了有关粘