The Changjiang River is one of in the world.A. the longest riverB. the longest riversC. t

问题补充：

The Changjiang River is one of in the world.

A. the longest river

B. the longest rivers

C. the longer river

D. longest river

答案：

A. the longest river

(答案→)B. the longest rivers

C. the longer river

D. longest river

解析：句意：长江是世界上最长的河之一。据中国有in the world表示一个范围，句中用最高级形式，表示最长的河流之一，同时one of后接的名词用名词的复数形式，故选B