Answer:
a) "It looks like you're searching for something. Is that right?"
Explanation:
In order to elicit an explanation with the patient, the nurse has to ask a question that is polite. To which a positive response will be given.
The statement "It looks like you're searching for something. Is that right?" will make the patient see the nurse wants to help him hence he will give a positive answer.
The other statements such as:
Are rude and they will only make the patient get agitated and no explanation will be given.