单选题

Australia provides the only separate, ______ laboratory in which dramatic Quaternary extinction occurred.
[A] natural continent-sized [B] natural and continent-sized
[C] continent-sized natural [D] continent-sized and large

【正确答案】 C

【答案解析】[解析] 形容词短语内部成分的位置如何排列，是一项必考题目。