单选题 The environmental costs were regarded more as temporary inconveniences than as _____ liability.
【正确答案】 C
【答案解析】环保上的代价只是暂时的不便,而不是应该承担的永久的义务 a. imaginative b. peculiar 特殊的 c. persistent 永恒的 d. original 最初的,有创新的