Which of the following can be configured so that when an alarm is activated, all doors lock and the suspect or intruder is caught between the doors in the dead-space?

Which of the following can be configured so that when an alarm is activated, all doors lock and the suspect or intruder is caught between the doors in the dead-space?
A . Man trap
B . Biometric device
C . Host Intrusion Detection System (HIDS)
D . Network Intrusion Detection System (NIDS)

Answer: A