When all the words on the page got scrambled, she quickly pressed undo, after which the document reverted back to its original state.
When all the words on the page got scrambled, she quickly pressed undo, after which the document reverted back to its original state.
Solution
This question tests redundancy and possessive pronouns.
"Revert" already means to return to a previous state, so adding "back" is like saying "return back" — unnecessarily repetitive! Plus, "its" (possessive) shows ownership while "it's" means "it is."
Option 1 → Double trouble: redundant "back" plus wrong "it's" contraction.
Option 2 → Redundant "reverted back" and missing the possessive "its."
Option 3 → Fixes redundancy but still uses "it's" instead of possessive.
Option 4 → Perfect! Concise "reverted to" plus correct possessive "its."
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