Answer:
The correct answer is a) "It looks like you're searching for something. Is that right?"
Explanation:
As the nurse has entered a client's room and observed that the client is scrutinizing the space in the bed frame after removing the mattresses from the bed so the statement "It looks like you're searching for something. Is that right?" would be most likely to elicit an explanation of the client's behavior because in this statement a question is asked by the nurse in a gentle manner to the client and the client will think that the nurse can help him out in this situation.
Therefore the correct answer is a."It looks like you're searching for something. Is that right?"