Consider the following statements about the Chalakudy River and choose the correct ones.
- The Chalakudy River is formed by the merging of several rivers like Parambikulam, Kuriyarkutty, and Sholayar.
- Kerala's only oxbow lake is located on the Chalakudy River at Vynthala.
- The river flows through the districts of Palakkad and Thrissur.
- It merges with the Periyar River directly at Aluva.
A4 only
B3, 4
C2 only
D1, 2