Choose the option that correctly converts the given sentence into the future tense (Bhavishya Kaal):
"Baccho ne khel khela." (बच्चों ने खेल खेला।)

The original sentence "Baccho ne khel khela" is in the past tense (Samanya Bhootkaal). Changing it to simple future tense means indicating that the action will occur ahead in time. The correct form is "Bacche khel khelege" (बच्चे खेल खेलेंगे।).