The correct answer is B. Meander
Step-by-step explanation
The image shows the Kapuas River located on the island Kalimantan, this river has a course that is characterized by a pattern with well-defined curves in an alluvial plain. Therefore, it can be affirmed that the pattern of this river is meandering because the accentuated curves of a river on an alluvial plain are the main characteristic of meanders. So the correct answer is B. Meander.