Directions: Select the best revision for the underlined part in the given sentence.

The way modern society teaches its kids is incompatible with the way they learn; what's been missing is, the recognition that learning is best when they playfully construct their own learning environments with only gentle guidance from adults.

that learning is best when they playfully construct their own learning environments with only gentle guidance from adults

that learning is best when kids playfully construct their own learning environments with only gentle guidance from adults

that kids learn best when they playfully construct their own learning environments with only gentle guidance from adults

that kids learn best when their own environment is playfully constructed with only gentle guidance

that the learning is best when their own environment is playfully constructed with only gentle guidance