Janamejaya was the son of Parikshit.
A
Correct answer
Explanation
Janamejaya was indeed the son of Parikshit, making him Abhimanyu's grandson. After Parikshit died from Takshaka's snakebite, Janamejaya became the King of Hastinapura and later conducted the famous snake sacrifice (Sarpa Yajna) to avenge his father's death.