Respuesta :
The sentence that must be revised to eliminate the preposition at the end is : Where are Katelyn and Ella walking to?
What is a preposition?
A preposition is a governing word and usually preceding a noun or a pronoun and expressing relation to another word.
It is usually a word or group of words that is used with a noun or noun phrase to show direction, location, time or to introduce a subject.
The other sentences cannot be revised to eliminate the prepositions except for the sentence Where are Katelyn and Ella walking to?
Therefore the correct answer is option C.
- Where are Katelyn and Ella walking to?
Read more about preposition here:
https://brainly.com/question/10707375