The following sentence has a dangling modifier.After reading the book it was based on, several key plot elements were missing from the movie.Which revision best corrects the error in this sentence?

The opening phrase “After reading the book…” needs to describe the person who read it. In the original sentence, it seems to modify “several key plot elements,” which cannot read a book. Choice C makes “I” the reader: “After reading the book …, I noticed…” The other choices place the reading phrase later or less clearly, while C directly fixes the dangling modifier.

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