How should the investigator respond?

During a law enforcement investigative interview regarding potential money laundering, the suspect starts making assertions and statements that the investigator believes are false.

How should the investigator respond?
A . Inform the suspect that deception is obvious and continue the interview
B. Advise the suspect that the interview will be terminated if there is suspicion of deception
C. Direct the interview in another direction until there is better rapport before returning back to the troubling question
D. Ask question of a material nature about the suspected false statements without revealing the suspected deception

Answer: D