[单项选择]The annual flooding is caused by melting snows on the high Ethiopian Plateau, from which the Nile ______. A. traced B. sourced C. originated D. resided
参考答案:C 答案解析:[解析] 本题测试词义辨析。originated意为“起源于”,符合题意。例如:Buddhism originated in India and came to China in the first