Answer :
The answer choice which contains a sentence fragment is B. "Looked in his eyes and knew he was "the one.""
What is a Sentence Fragment?
This refers to the type of sentence which does not have either the subject or main verb and are mainly a result of omissions.
Hence, we can see that from the answer choices, we can see that option B is the correct answer because there is a missing subject as we are not told who looked into his eyes, hence it is the one with a sentence fragment.
Read more about sentence fragment here:
https://brainly.com/question/582945