Answer: the correct answer is B
B. fMRi
Step-by-step explanation:
Functional magnetic resonance imaging (fMRi) analysis brain activity by blood flow to in the brain. The part if the brain in use at the moment will get more blood flow. This way, if a particular word or photographs is presented to the suspect, blood flow in a particular region in the brain would indicate whether the word or photograph is familiar to the suspect or not.