Answer:
I think it is a because it is
I think the answer is B. Because there is a period before the sentence: "The cookies were not eaten by the children" choice B contains the misplaced modifier. Unless that was a typo.
Hope this helps!:)
obnoxious = ob nox ious is the way you break it into syllables
nonrestrictive = non re stic tive
receivable = re ceiv a ble
reception = re cep tion
The answer choice is three