0 0 votes A sentence with a grammatical error is given here. Select the option that will rectify this error. Her research differed with the established theory on several key points. Her research differed from the established theory on several key points. Her research differed than the established theory on several key points. Her research differed against the established theory on several key points. Her research differed to the established theory on several key points. Others cil-2026 + – Shubham Sharma 2 3 views answer comment Share Follow Print 0 reply Please log in or register to add a comment.