What change, if any, should be made to sentence 25?
(24) “This sort of thing hasn’t been done before,” Downer later commented. (25) “But now,” he added, “It seems the most natural thing in the world.”

Select one:
Change the comma after ADDED to a period
Change 'It' to 'it"
No change should be made to sentence 25.
Change 'world' to 'World' Jungle Close-ups