Which sentence best states a theme of "Rikki-Tikki-Tavi"? It takes practice to learn when to fight and when to give up. Friends are not always trustworthy. Sometimes the best action to take is no action at all. Even the young and inexperienced can stand up for what is right.

It takes practice to learn when to fight and when to give up

Explanation:

The sentence that best states a theme of "Rikki-Tikki-Tavi" is that it takes practice to learn when to fight and when to give up.

According to the book, the major theme is courage as Rikki has to fight off two cobras to protect his personal space even though they are dangerous and were bigger than he was.