Which key details should be included in a summary of Rikki-tikki's battle with Nag in the bathroom?

Select the TWO correct answers.

A. Rikki-tikki overhears Nag and Nagaina making plans to kill Teddy's father.
B. Rikki-tikki feels sore and tired after his battle with Nag.
C. Teddy's father and mother have Nag's body placed on the rubbish heap.
D. Nag and Rikki-tikki fight fiercely to defeat one another.