单选题   The river, which is ______ the Yangtze River, is the longest river in China.
 
【正确答案】 C
【答案解析】 句意:长江是中国最长的河流。be named after以……命名;be known for由于……而闻名;be known as以……知名,通常名叫……;be called for被召来。