Question

Which revision fixes the misplaced modifier in the sentence?

Answer 1

A misplaced modifier is a word, a phrase or a clause that is not properly separated from the word it needed to modify or describe.  In this sentence, the room is being described or modified by: filled with all sort of clutter.

Question: Which revision fixes the misplaced modifier in the sentence?

Answer: A. Gregory needed a whole day to clean the room filled with all sorts of clutter.

Answer 2

The answer to your question is A." Gregory needed  whole day to clean the room filled with clutter."