Nigeria's currency is Naira. The Benue River, previously known as the Chadda River or Tchadda, is the major tributary of the Niger River. The river is approximately 1,400 kilometres long and is almost entirely navigable during the summer months. As a result, it is an important transportation route in the regions through which it flows. Hence, option A is a correct match. South Korea's currency is South Korean won. The Nakdong River or Nakdonggang is the longest river in South Korea, and passes through major cities such as Daegu and Busan. Hence, option B is a correct match. Colombia's currency is Colombian peso. The Magdalena River is the principal river of Colombia, flowing northward about 1,528 kilometres through the western half of the country. Hence, option C is a correct match. Malaysia's currency is Malaysian ringgit. The Xiuguluan River is a river in southeastern Taiwan. Hence, this is an incorrect match. Moreover, River's name is written incorrectly.