Final answer:
Probing is a technique used by the nurse to gather more information from the patient. Option C - 'Tell me what makes your headaches begin' is an example of probing because it prompts the patient to provide specific information about the triggers of his headaches.
Step-by-step explanation:
Probing is a technique used by the nurse to gather more information from the patient. In this case, the nurse is asking the patient to provide more details about what triggers his headaches. Option C - 'Tell me what makes your headaches begin' is an example of probing because it prompts the patient to provide specific information about the triggers of his headaches. By asking this question, the nurse can gather more information to better understand the patient's condition and provide appropriate care.